#042D37#042D37

#042D37 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.5% C 0.046 H 218.4°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#042D37
RGB	rgb(4, 45, 55)
HSL	hsl(192, 86%, 12%)
HSV	hsv(192, 93%, 22%)
CMYK	cmyk(92.7%, 18.2%, 0%, 78.4%)
CIE-LAB	lab(16.40, -9.45, -10.33)
CIE-LCH	lch(16.40, 14.00, 227.54°)
OKLab	oklab(27.55% -0.0364 -0.0289)
OKLCH	oklch(27.55% 0.046 218.4)
XYZ	xyz(1.6778, 2.1782, 3.9457)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042D37 #370E04

analogous

#043728 #042D37 #041437

triadic

#042D37 #37042D #2D3704

tetradic

#042D37 #280437 #370E04 #143704

square

#042D37 #280437 #370E04 #143704

split-complementary

#042D37 #370414 #372804

monochromatic

#02171D #02171D #042D37 #085C70 #0C8AA9

Accessibility & contrast

On white

14.63

#042D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#042D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042D37

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042D37	#FFFFFF	#000000	##FFFFFF
##042D37	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272B38

Deuteranopia (green-blind)

#202637

Tritanopia (blue-blind)

#003030

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #042d37;
/* rgb */ color: rgb(4, 45, 55);
/* oklch */ color: oklch(27.5% 0.046 218.4);

Tailwind

colors: {
  custom: {
    50: '#4e666d',
    500: '#042d37',
    950: '#000000',
  },
}

SCSS

$custom: #042d37;
$custom-light: #4e666d;
$custom-dark: #000000;

JSON

{
  "hex": "#042d37",
  "rgb": {
    "r": 4,
    "g": 45,
    "b": 55
  },
  "hsl": {
    "h": 191.765,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.27546,
    "c": 0.04649,
    "h": 218.4
  },
  "luminance": 0.02178
}

Semantic roles & 50–950 ramp

primary

#042D37

secondary

#79301E

accent

#542BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020507

muted

#787A7A

Preview Lab

Preview with #042D37

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

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