Darkslategray3
darkslategray3 · #79CDCD
HEX
#79CDCD
RGB
rgb(121, 205, 205)
CMYK
cmyk(41%, 0%, 0%, 20%)
HSL
hsl(180, 46%, 64%)
LAB
lab(77.4, -25.4, -8.0)
What is Darkslategray3?
Darkslategray3 is the darkslategray3 reference in the X11 named colors. Its sRGB value is #79CDCD (rgb 121, 205, 205). 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 Darkslategray3 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Darkslategray3
An 11-step tonal scale derived from Darkslategray3 (#79CDCD). 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.
50
#F4FBFB
#F4FBFB
100
#EAF7F7
#EAF7F7
200
#D4EFEF
#D4EFEF
300
#BCE6E6
#BCE6E6
400
#9BDADA
#9BDADA
500
#79CDCD
#79CDCD
600
#67AEAE
#67AEAE
700
#4F8585
#4F8585
800
#365C5C
#365C5C
900
#1E3333
#1E3333
950
#0F1919
#0F1919
Lighter tints (mixed with white)
15%
#98D6D6
30%
#B0DEDE
45%
#C4E5E5
60%
#D7EDED
75%
#E7F4F4
Darker shades (mixed with black)
15%
#70BFBF
30%
#66AFAF
45%
#5B9D9D
60%
#4E8787
75%
#3E6D6D
Color harmonies for Darkslategray3
Classic color-theory harmonies derived from rotating the hue of Darkslategray3. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#79CDCD
#79CDCD
#CD7979
#CD7979
Triadic
Three colors 120° apart
#79CDCD
#79CDCD
#CD79CD
#CD79CD
#CDCD79
#CDCD79
Analogous
Two neighbors ±30° on the wheel
#79CDA3
#79CDA3
#79CDCD
#79CDCD
#79A3CD
#79A3CD
Split-complementary
Base + two colors flanking its complement
#79CDCD
#79CDCD
#CD79A3
#CD79A3
#CDA379
#CDA379
Tetradic
Two complementary pairs
#79CDCD
#79CDCD
#7979CD
#7979CD
#CD7979
#CD7979
#CDCD79
#CDCD79
Square
Four colors evenly spaced 90° apart
#79CDCD
#79CDCD
#A379CD
#A379CD
#CD7979
#CD7979
#A3CD79
#A3CD79
Darkslategray3 in every color space
Full conversion of Darkslategray3 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
#79CDCD
RGB
rgb(121, 205, 205)
CMYK
cmyk(41%, 0%, 0%, 20%)
HSL
hsl(180, 46%, 64%)
HSV
hsv(180, 41%, 80%)
HWB
hwb(180 47% 20%)
CIE Lab
lab(77.4 -25.4 -8.0)
OKLCH
oklch(79.5% 0.082 195.6)
XYZ (D65)
xyz(40.73, 52.13, 65.66)
Copy-ready code for Darkslategray3
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: #79CDCD;
background-color: #79CDCD;CSS variable
:root {
--color-darkslategray3: #79CDCD;
}Tailwind config
// tailwind.config.js
colors: {
'darkslategray3': '#79CDCD',
}Sass
$color-darkslategray3: #79CDCD;Swift UIColor
UIColor(red: 0.475, green: 0.804, blue: 0.804, alpha: 1.0)Android XML
<color name="darkslategray3">#79CDCD</color>Closest match in every color system
The nearest Darkslategray3 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.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 6027
#84C3BE
Light green
RAL 5024
#5D9B9B
Pastel blue
RAL 7038
#B5B8B1
Agate grey
RAL 6019
#BDECB6
Pastel green
RAL 5018
#3F888F
Turquoise blue
RAL 7001
#8F999F
Silver grey
FAQ about Darkslategray3
What is the HEX code for Darkslategray3?
Darkslategray3 (darkslategray3) has the HEX code #79CDCD. In RGB it is rgb(121, 205, 205), and in CMYK it is cmyk(41%, 0%, 0%, 20%).
What is the OKLCH value of Darkslategray3?
Darkslategray3 converts to oklch(0.795 0.082 195.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Darkslategray3 accessible for body text?
Used as a background, Darkslategray3 has a contrast ratio of 11.43:1 with black text and 1.84:1 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 Darkslategray3?
The closest Pantone reference to Darkslategray3 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 Darkslategray3?
The closest RAL Classic reference to Darkslategray3 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 Darkslategray3?
The complementary color (180° opposite on the HSL color wheel) of Darkslategray3 is #CD7979. 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 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.