#042931#042931

#042931 is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.0% C 0.043 H 215.6°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#042931
RGB	rgb(4, 41, 49)
HSL	hsl(191, 85%, 10%)
HSV	hsv(191, 92%, 19%)
CMYK	cmyk(91.8%, 16.3%, 0%, 80.8%)
CIE-LAB	lab(14.59, -9.36, -8.89)
CIE-LCH	lch(14.59, 12.91, 223.53°)
OKLab	oklab(26% -0.0346 -0.0248)
OKLCH	oklch(26% 0.043 215.6)
XYZ	xyz(1.3971, 1.8333, 3.1854)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042931 #310C04

analogous

#043122 #042931 #041231

triadic

#042931 #310429 #293104

tetradic

#042931 #220431 #310C04 #123104

square

#042931 #220431 #310C04 #123104

split-complementary

#042931 #310412 #312204

monochromatic

#02181C #02181C #042931 #09586A #0D88A2

Accessibility & contrast

On white

15.37

#042931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#042931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042931

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042931	#FFFFFF	#000000	##FFFFFF
##042931	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242731

Deuteranopia (green-blind)

#1D2331

Tritanopia (blue-blind)

#002C2C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #042931;
/* rgb */ color: rgb(4, 41, 49);
/* oklch */ color: oklch(26.0% 0.043 215.6);

Tailwind

colors: {
  custom: {
    50: '#4d6269',
    500: '#042931',
    950: '#000000',
  },
}

SCSS

$custom: #042931;
$custom-light: #4d6269;
$custom-dark: #000000;

JSON

{
  "hex": "#042931",
  "rgb": {
    "r": 4,
    "g": 41,
    "b": 49
  },
  "hsl": {
    "h": 190.667,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.25995,
    "c": 0.04262,
    "h": 215.6
  },
  "luminance": 0.01833
}

Semantic roles & 50–950 ramp

primary

#042931

secondary

#732D1D

accent

#512DFB

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#010506

muted

#77797A

Preview Lab

Preview with #042931

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →