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X11 named colors

Azure3

azure3 · #C1CDCD

HEX

#C1CDCD

RGB

rgb(193, 205, 205)

CMYK

cmyk(6%, 0%, 0%, 20%)

HSL

hsl(180, 11%, 78%)

LAB

lab(81.5, -4.1, -1.4)

What is Azure3?

Azure3 is the azure3 reference in the X11 named colors. Its sRGB value is #C1CDCD (rgb 193, 205, 205). It sits in the neutral 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 Azure3 as a background.

Black text on this color

Sample text · 12.88 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 1.63 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Azure3

An 11-step tonal scale derived from Azure3 (#C1CDCD). 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 #FAFBFB

50

#FAFBFB

#FAFBFB

Copied #F5F7F7

100

#F5F7F7

#F5F7F7

Copied #EBEFEF

200

#EBEFEF

#EBEFEF

Copied #E0E6E6

300

#E0E6E6

#E0E6E6

Copied #D1DADA

400

#D1DADA

#D1DADA

Copied #C1CDCD

500

#C1CDCD

#C1CDCD

Copied #A4AEAE

600

#A4AEAE

#A4AEAE

Copied #7D8585

700

#7D8585

#7D8585

Copied #575C5C

800

#575C5C

#575C5C

Copied #303333

900

#303333

#303333

Copied #171919

950

#171919

#171919

Lighter tints (mixed with white)

Copied #CCD6D6

15%

#CCD6D6

Copied #D6DEDE

30%

#D6DEDE

Copied #E0E5E5

45%

#E0E5E5

Copied #E9EDED

60%

#E9EDED

Copied #F1F4F4

75%

#F1F4F4

Darker shades (mixed with black)

Copied #B3BFBF

15%

#B3BFBF

Copied #A4AFAF

30%

#A4AFAF

Copied #939D9D

45%

#939D9D

Copied #7F8787

60%

#7F8787

Copied #666D6D

75%

#666D6D

Color harmonies for Azure3

Classic color-theory harmonies derived from rotating the hue of Azure3. Use these to build accent palettes, brand systems, and accessible UI color pairings.

Complementary

180° opposite — strongest contrast

Copied #C1CDCD

#C1CDCD

#C1CDCD

Copied #CDC1C1

#CDC1C1

#CDC1C1

Triadic

Three colors 120° apart

Copied #C1CDCD

#C1CDCD

#C1CDCD

Copied #CDC1CD

#CDC1CD

#CDC1CD

Copied #CDCDC1

#CDCDC1

#CDCDC1

Analogous

Two neighbors ±30° on the wheel

Copied #C1CDC7

#C1CDC7

#C1CDC7

Copied #C1CDCD

#C1CDCD

#C1CDCD

Copied #C1C7CD

#C1C7CD

#C1C7CD

Split-complementary

Base + two colors flanking its complement

Copied #C1CDCD

#C1CDCD

#C1CDCD

Copied #CDC1C7

#CDC1C7

#CDC1C7

Copied #CDC7C1

#CDC7C1

#CDC7C1

Tetradic

Two complementary pairs

Copied #C1CDCD

#C1CDCD

#C1CDCD

Copied #C1C1CD

#C1C1CD

#C1C1CD

Copied #CDC1C1

#CDC1C1

#CDC1C1

Copied #CDCDC1

#CDCDC1

#CDCDC1

Square

Four colors evenly spaced 90° apart

Copied #C1CDCD

#C1CDCD

#C1CDCD

Copied #C7C1CD

#C7C1CD

#C7C1CD

Copied #CDC1C1

#CDC1C1

#CDC1C1

Copied #C7CDC1

#C7CDC1

#C7CDC1

Azure3 in every color space

Full conversion of Azure3 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

#C1CDCD

RGB

rgb(193, 205, 205)

CMYK

cmyk(6%, 0%, 0%, 20%)

HSL

hsl(180, 11%, 78%)

HSV

hsv(180, 6%, 80%)

HWB

hwb(180 76% 20%)

CIE Lab

lab(81.5 -4.1 -1.4)

OKLCH

oklch(83.9% 0.013 196.9)

XYZ (D65)

xyz(54.84, 59.41, 66.32)

Copy-ready code for Azure3

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: #C1CDCD;
background-color: #C1CDCD;

CSS variable

:root {
  --color-azure3: #C1CDCD;
}

Tailwind config

// tailwind.config.js
colors: {
  'azure3': '#C1CDCD',
}

Sass

$color-azure3: #C1CDCD;

Swift UIColor

UIColor(red: 0.757, green: 0.804, blue: 0.804, alpha: 1.0)

Android XML

<color name="azure3">#C1CDCD</color>

Closest match in every color system

The nearest Azure3 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 #D7D7D7

RAL 7035

#D7D7D7

Light grey

Copied #D7D7D7

RAL 9018

#D7D7D7

Papyrus white

Copied #B5B8B1

RAL 7038

#B5B8B1

Agate grey

Copied #E7EBDA

RAL 9002

#E7EBDA

Grey white

Copied #F4F4F4

RAL 9003

#F4F4F4

Signal white

Copied #CAC4B0

RAL 7044

#CAC4B0

Silk grey

FAQ about Azure3

What is the HEX code for Azure3?

Azure3 (azure3) has the HEX code #C1CDCD. In RGB it is rgb(193, 205, 205), and in CMYK it is cmyk(6%, 0%, 0%, 20%).

What is the OKLCH value of Azure3?

Azure3 converts to oklch(0.839 0.013 196.9). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Azure3 accessible for body text?

Used as a background, Azure3 has a contrast ratio of 12.88:1 with black text and 1.63:1 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 Azure3?

The closest Pantone reference to Azure3 by ΔE2000 perceptual distance is Pantone Cool Gray 3 C (#C8C9C7). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Azure3?

The closest RAL Classic reference to Azure3 by ΔE2000 distance is RAL 7035 (Light grey, #D7D7D7). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Azure3?

The complementary color (180° opposite on the HSL color wheel) of Azure3 is #CDC1C1. 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
neutral

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 · Azure3 — #C1CDCD | PantoneTools