#042631#042631

#042631 is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.1% C 0.043 H 224.0°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#042631
RGB	rgb(4, 38, 49)
HSL	hsl(195, 85%, 10%)
HSV	hsv(195, 92%, 19%)
CMYK	cmyk(91.8%, 22.4%, 0%, 80.8%)
CIE-LAB	lab(13.43, -7.38, -10.66)
CIE-LCH	lch(13.43, 12.97, 235.33°)
OKLab	oklab(25.07% -0.031 -0.0299)
OKLCH	oklch(25.07% 0.043 224)
XYZ	xyz(1.2973, 1.6336, 3.1521)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042631 #310F04

analogous

#043125 #042631 #040F31

triadic

#042631 #310426 #263104

tetradic

#042631 #250431 #310F04 #0F3104

square

#042631 #250431 #310F04 #0F3104

split-complementary

#042631 #31040F #312504

monochromatic

#02161C #02161C #042631 #09526A #0D7EA2

Accessibility & contrast

On white

15.83

#042631 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#042631 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042631

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042631	#FFFFFF	#000000	##FFFFFF
##042631	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202532

Deuteranopia (green-blind)

#1A2131

Tritanopia (blue-blind)

#00292A

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #042631;
/* rgb */ color: rgb(4, 38, 49);
/* oklch */ color: oklch(25.1% 0.043 224.0);

Tailwind

colors: {
  custom: {
    50: '#4c6069',
    500: '#042631',
    950: '#000000',
  },
}

SCSS

$custom: #042631;
$custom-light: #4c6069;
$custom-dark: #000000;

JSON

{
  "hex": "#042631",
  "rgb": {
    "r": 4,
    "g": 38,
    "b": 49
  },
  "hsl": {
    "h": 194.667,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.25068,
    "c": 0.04308,
    "h": 224
  },
  "luminance": 0.01634
}

Semantic roles & 50–950 ramp

primary

#042631

secondary

#73321D

accent

#5F2DFB

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #042631

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

Preview Lab → · Contrast checker → · Palette generator →