#042E37#042E37

#042E37 is a dark, muted cyan. Relative luminance 0.023; OKLCH L 27.9% C 0.046 H 215.9°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#042E37
RGB	rgb(4, 46, 55)
HSL	hsl(191, 86%, 12%)
HSV	hsv(191, 93%, 22%)
CMYK	cmyk(92.7%, 16.4%, 0%, 78.4%)
CIE-LAB	lab(16.77, -10.09, -9.75)
CIE-LCH	lch(16.77, 14.03, 224.02°)
OKLab	oklab(27.85% -0.0376 -0.0272)
OKLCH	oklch(27.85% 0.046 215.9)
XYZ	xyz(1.7164, 2.2554, 3.9586)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042E37 #370D04

analogous

#043727 #042E37 #041537

triadic

#042E37 #37042E #2E3704

tetradic

#042E37 #270437 #370D04 #153704

square

#042E37 #270437 #370D04 #153704

split-complementary

#042E37 #370415 #372704

monochromatic

#02181D #02181D #042E37 #085E70 #0C8DA9

Accessibility & contrast

On white

14.47

#042E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#042E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042E37

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042E37	#FFFFFF	#000000	##FFFFFF
##042E37	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282C37

Deuteranopia (green-blind)

#212737

Tritanopia (blue-blind)

#003131

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #042e37;
/* rgb */ color: rgb(4, 46, 55);
/* oklch */ color: oklch(27.9% 0.046 215.9);

Tailwind

colors: {
  custom: {
    50: '#4e666d',
    500: '#042e37',
    950: '#000000',
  },
}

SCSS

$custom: #042e37;
$custom-light: #4e666d;
$custom-dark: #000000;

JSON

{
  "hex": "#042e37",
  "rgb": {
    "r": 4,
    "g": 46,
    "b": 55
  },
  "hsl": {
    "h": 190.588,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.2785,
    "c": 0.04643,
    "h": 215.9
  },
  "luminance": 0.02256
}

Semantic roles & 50–950 ramp

primary

#042E37

secondary

#792E1E

accent

#502BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #042E37

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

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