#042C39#042C39

#042C39 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.4% C 0.048 H 224.9°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#042C39
RGB	rgb(4, 44, 57)
HSL	hsl(195, 87%, 12%)
HSV	hsv(195, 93%, 22%)
CMYK	cmyk(93%, 22.8%, 0%, 77.6%)
CIE-LAB	lab(16.12, -7.96, -12.15)
CIE-LCH	lch(16.12, 14.53, 236.78°)
OKLab	oklab(27.35% -0.0343 -0.0341)
OKLCH	oklch(27.35% 0.048 224.9)
XYZ	xyz(1.6890, 2.1224, 4.1907)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042C39 #391104

analogous

#04392C #042C39 #041239

triadic

#042C39 #39042C #2C3904

tetradic

#042C39 #2C0439 #391104 #123904

square

#042C39 #2C0439 #391104 #123904

split-complementary

#042C39 #390412 #392C04

monochromatic

#02161D #02161D #042C39 #085872 #0C84AB

Accessibility & contrast

On white

14.74

#042C39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#042C39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042C39

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042C39	#FFFFFF	#000000	##FFFFFF
##042C39	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252B3A

Deuteranopia (green-blind)

#1E2639

Tritanopia (blue-blind)

#003030

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #042c39;
/* rgb */ color: rgb(4, 44, 57);
/* oklch */ color: oklch(27.4% 0.048 224.9);

Tailwind

colors: {
  custom: {
    50: '#4f656f',
    500: '#042c39',
    950: '#000000',
  },
}

SCSS

$custom: #042c39;
$custom-light: #4f656f;
$custom-dark: #000000;

JSON

{
  "hex": "#042c39",
  "rgb": {
    "r": 4,
    "g": 44,
    "b": 57
  },
  "hsl": {
    "h": 194.717,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.27354,
    "c": 0.04838,
    "h": 224.9
  },
  "luminance": 0.02123
}

Semantic roles & 50–950 ramp

primary

#042C39

secondary

#7B351E

accent

#5E2BFD

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020507

muted

#787A7A

Preview Lab

Preview with #042C39

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

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