#042F41#042F41

#042F41 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.7% C 0.055 H 231.7°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#042F41
RGB	rgb(4, 47, 65)
HSL	hsl(198, 88%, 14%)
HSV	hsv(198, 94%, 25%)
CMYK	cmyk(93.8%, 27.7%, 0%, 74.5%)
CIE-LAB	lab(17.65, -6.52, -15.31)
CIE-LCH	lch(17.65, 16.64, 246.93°)
OKLab	oklab(28.72% -0.0341 -0.0432)
OKLCH	oklch(28.72% 0.055 231.7)
XYZ	xyz(2.0203, 2.4402, 5.3645)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042F41 #411604

analogous

#044134 #042F41 #041041

triadic

#042F41 #41042F #2F4104

tetradic

#042F41 #340441 #411604 #104104

square

#042F41 #340441 #411604 #104104

split-complementary

#042F41 #410410 #413404

monochromatic

#02151D #02151D #042F41 #08597B #0B82B4

Accessibility & contrast

On white

14.11

#042F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#042F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042F41

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042F41	#FFFFFF	#000000	##FFFFFF
##042F41	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262E42

Deuteranopia (green-blind)

#1E2941

Tritanopia (blue-blind)

#003435

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #042f41;
/* rgb */ color: rgb(4, 47, 65);
/* oklch */ color: oklch(28.7% 0.055 231.7);

Tailwind

colors: {
  custom: {
    50: '#516775',
    500: '#042f41',
    950: '#000000',
  },
}

SCSS

$custom: #042f41;
$custom-light: #516775;
$custom-dark: #000000;

JSON

{
  "hex": "#042f41",
  "rgb": {
    "r": 4,
    "g": 47,
    "b": 65
  },
  "hsl": {
    "h": 197.705,
    "s": 88.406,
    "l": 13.529
  },
  "oklch": {
    "l": 0.28715,
    "c": 0.05503,
    "h": 231.7
  },
  "luminance": 0.0244
}

Semantic roles & 50–950 ramp

primary

#042F41

secondary

#823C1F

accent

#6829FF

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020608

muted

#787A7B

Preview Lab

Preview with #042F41

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

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