#042D39#042D39

#042D39 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.7% C 0.048 H 222.5°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#042D39
RGB	rgb(4, 45, 57)
HSL	hsl(194, 87%, 12%)
HSV	hsv(194, 93%, 22%)
CMYK	cmyk(93%, 21.1%, 0%, 77.6%)
CIE-LAB	lab(16.49, -8.61, -11.57)
CIE-LCH	lch(16.49, 14.43, 233.33°)
OKLab	oklab(27.66% -0.0354 -0.0325)
OKLCH	oklch(27.66% 0.048 222.5)
XYZ	xyz(1.7267, 2.1978, 4.2033)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042D39 #391004

analogous

#04392B #042D39 #041339

triadic

#042D39 #39042D #2D3904

tetradic

#042D39 #2B0439 #391004 #133904

square

#042D39 #2B0439 #391004 #133904

split-complementary

#042D39 #390413 #392B04

monochromatic

#02171D #02171D #042D39 #085A72 #0C87AB

Accessibility & contrast

On white

14.59

#042D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#042D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042D39

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042D39	#FFFFFF	#000000	##FFFFFF
##042D39	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262C3A

Deuteranopia (green-blind)

#1F2739

Tritanopia (blue-blind)

#003131

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #042d39;
/* rgb */ color: rgb(4, 45, 57);
/* oklch */ color: oklch(27.7% 0.048 222.5);

Tailwind

colors: {
  custom: {
    50: '#4f666f',
    500: '#042d39',
    950: '#000000',
  },
}

SCSS

$custom: #042d39;
$custom-light: #4f666f;
$custom-dark: #000000;

JSON

{
  "hex": "#042d39",
  "rgb": {
    "r": 4,
    "g": 45,
    "b": 57
  },
  "hsl": {
    "h": 193.585,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.27655,
    "c": 0.04807,
    "h": 222.5
  },
  "luminance": 0.02198
}

Semantic roles & 50–950 ramp

primary

#042D39

secondary

#7B331E

accent

#5A2BFD

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020507

muted

#787A7A

Preview Lab

Preview with #042D39

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

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