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X11 named colors

Darkslategray2

darkslategray2 · #8DEEEE

HEX

#8DEEEE

RGB

rgb(141, 238, 238)

CMYK

cmyk(41%, 0%, 0%, 7%)

HSL

hsl(180, 74%, 74%)

LAB

lab(88.4, -28.6, -9.0)

What is Darkslategray2?

Darkslategray2 is the darkslategray2 reference in the X11 named colors. Its sRGB value is #8DEEEE (rgb 141, 238, 238). It sits in the cyan family. Historical X Window System color names — the numbered 1-4 lightness variants of the classic xorg-server rgb.txt palette. See disclaimer for accuracy and trademark notes.

Accessibility

WCAG 2.1 contrast checks for Darkslategray2 as a background.

Black text on this color

Sample text · 15.60 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 1.35 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Darkslategray2

An 11-step tonal scale derived from Darkslategray2 (#8DEEEE). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.

Copied #F6FEFE

50

#F6FEFE

#F6FEFE

Copied #EDFCFC

100

#EDFCFC

#EDFCFC

Copied #DBFAFA

200

#DBFAFA

#DBFAFA

Copied #C6F7F7

300

#C6F7F7

#C6F7F7

Copied #AAF2F2

400

#AAF2F2

#AAF2F2

Copied #8DEEEE

500

#8DEEEE

#8DEEEE

Copied #78CACA

600

#78CACA

#78CACA

Copied #5C9B9B

700

#5C9B9B

#5C9B9B

Copied #3F6B6B

800

#3F6B6B

#3F6B6B

Copied #233C3C

900

#233C3C

#233C3C

Copied #111D1D

950

#111D1D

#111D1D

Lighter tints (mixed with white)

Copied #A5F1F1

15%

#A5F1F1

Copied #B9F3F3

30%

#B9F3F3

Copied #CBF6F6

45%

#CBF6F6

Copied #DBF8F8

60%

#DBF8F8

Copied #E9FBFB

75%

#E9FBFB

Darker shades (mixed with black)

Copied #83DDDD

15%

#83DDDD

Copied #78CBCB

30%

#78CBCB

Copied #6BB6B6

45%

#6BB6B6

Copied #5C9E9E

60%

#5C9E9E

Copied #497F7F

75%

#497F7F

Color harmonies for Darkslategray2

Classic color-theory harmonies derived from rotating the hue of Darkslategray2. Use these to build accent palettes, brand systems, and accessible UI color pairings.

Complementary

180° opposite — strongest contrast

Copied #8DEEEE

#8DEEEE

#8DEEEE

Copied #EE8C8C

#EE8C8C

#EE8C8C

Triadic

Three colors 120° apart

Copied #8DEEEE

#8DEEEE

#8DEEEE

Copied #EE8CEE

#EE8CEE

#EE8CEE

Copied #EEEE8C

#EEEE8C

#EEEE8C

Analogous

Two neighbors ±30° on the wheel

Copied #8CEEBD

#8CEEBD

#8CEEBD

Copied #8DEEEE

#8DEEEE

#8DEEEE

Copied #8CBDEE

#8CBDEE

#8CBDEE

Split-complementary

Base + two colors flanking its complement

Copied #8DEEEE

#8DEEEE

#8DEEEE

Copied #EE8CBD

#EE8CBD

#EE8CBD

Copied #EEBD8C

#EEBD8C

#EEBD8C

Tetradic

Two complementary pairs

Copied #8DEEEE

#8DEEEE

#8DEEEE

Copied #8C8CEE

#8C8CEE

#8C8CEE

Copied #EE8C8C

#EE8C8C

#EE8C8C

Copied #EEEE8C

#EEEE8C

#EEEE8C

Square

Four colors evenly spaced 90° apart

Copied #8DEEEE

#8DEEEE

#8DEEEE

Copied #BD8CEE

#BD8CEE

#BD8CEE

Copied #EE8C8C

#EE8C8C

#EE8C8C

Copied #BDEE8C

#BDEE8C

#BDEE8C

Darkslategray2 in every color space

Full conversion of Darkslategray2 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.

HEX

#8DEEEE

RGB

rgb(141, 238, 238)

CMYK

cmyk(41%, 0%, 0%, 7%)

HSL

hsl(180, 74%, 74%)

HSV

hsv(180, 41%, 93%)

HWB

hwb(180 55% 7%)

CIE Lab

lab(88.4 -28.6 -9.0)

OKLCH

oklch(89.0% 0.092 195.6)

XYZ (D65)

xyz(56.99, 72.98, 91.96)

Copy-ready code for Darkslategray2

Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.

CSS

color: #8DEEEE;
background-color: #8DEEEE;

CSS variable

:root {
  --color-darkslategray2: #8DEEEE;
}

Tailwind config

// tailwind.config.js
colors: {
  'darkslategray2': '#8DEEEE',
}

Sass

$color-darkslategray2: #8DEEEE;

Swift UIColor

UIColor(red: 0.553, green: 0.933, blue: 0.933, alpha: 1.0)

Android XML

<color name="darkslategray2">#8DEEEE</color>

Closest match in every color system

The nearest Darkslategray2 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.

Closest in X11 named colors

Top 6 ΔE2000-closest entries within the same collection.

Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.

Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.

Copied #84C3BE

RAL 6027

#84C3BE

Light green

Copied #BDECB6

RAL 6019

#BDECB6

Pastel green

Copied #E7EBDA

RAL 9002

#E7EBDA

Grey white

Copied #5D9B9B

RAL 5024

#5D9B9B

Pastel blue

Copied #D7D7D7

RAL 7035

#D7D7D7

Light grey

Copied #D7D7D7

RAL 9018

#D7D7D7

Papyrus white

FAQ about Darkslategray2

What is the HEX code for Darkslategray2?

Darkslategray2 (darkslategray2) has the HEX code #8DEEEE. In RGB it is rgb(141, 238, 238), and in CMYK it is cmyk(41%, 0%, 0%, 7%).

What is the OKLCH value of Darkslategray2?

Darkslategray2 converts to oklch(0.890 0.092 195.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Darkslategray2 accessible for body text?

Used as a background, Darkslategray2 has a contrast ratio of 15.60:1 with black text and 1.35:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.

What is the closest Pantone to Darkslategray2?

The closest Pantone reference to Darkslategray2 by ΔE2000 perceptual distance is Pantone 304 C (#9CDBD9). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Darkslategray2?

The closest RAL Classic reference to Darkslategray2 by ΔE2000 distance is RAL 6027 (Light green, #84C3BE). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Darkslategray2?

The complementary color (180° opposite on the HSL color wheel) of Darkslategray2 is #EE8C8C. Use it for high-contrast accents, error states, or call-to-action pairings.

Data provenance & source

X11 named colors (xorg rgb.txt)

The historical X11 color name list shipped in the xorg-server rgb.txt file. Roughly 550 entries covering classic computing color names like 'PapayaWhip', 'MediumAquamarine', and 'DarkSlateGray'. Many CSS named colors originate here. Use as a reference for legacy and creative color names. Most modern CSS implementations accept these names directly.

Source type
derived
Confidence
high
License
MIT/X11 license (X Consortium)
Last reviewed
2026-05-24

Workflow tags

x11
named-color
legacy
cyan

X11 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.

X11 named colors · Darkslategray2 — #8DEEEE | PantoneTools