#042C40#042C40

#042C40 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.8% C 0.056 H 236.1°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#042C40
RGB	rgb(4, 44, 64)
HSL	hsl(200, 88%, 13%)
HSV	hsv(200, 94%, 25%)
CMYK	cmyk(93.8%, 31.2%, 0%, 74.9%)
CIE-LAB	lab(16.49, -4.92, -16.43)
CIE-LCH	lch(16.49, 17.15, 253.33°)
OKLab	oklab(27.77% -0.0312 -0.0465)
OKLCH	oklch(27.77% 0.056 236.1)
XYZ	xyz(1.8758, 2.1971, 5.1747)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042C40 #401804

analogous

#044036 #042C40 #040E40

triadic

#042C40 #40042C #2C4004

tetradic

#042C40 #360440 #401804 #0E4004

square

#042C40 #360440 #401804 #0E4004

split-complementary

#042C40 #40040E #403604

monochromatic

#02141D #02141D #042C40 #08547A #0B7BB3

Accessibility & contrast

On white

14.59

#042C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#042C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042C40

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042C40	#FFFFFF	#000000	##FFFFFF
##042C40	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)

#222C41

Deuteranopia (green-blind)

#1A2640

Tritanopia (blue-blind)

#003133

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #042c40;
/* rgb */ color: rgb(4, 44, 64);
/* oklch */ color: oklch(27.8% 0.056 236.1);

Tailwind

colors: {
  custom: {
    50: '#506575',
    500: '#042c40',
    950: '#000000',
  },
}

SCSS

$custom: #042c40;
$custom-light: #506575;
$custom-dark: #000000;

JSON

{
  "hex": "#042c40",
  "rgb": {
    "r": 4,
    "g": 44,
    "b": 64
  },
  "hsl": {
    "h": 200,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.27774,
    "c": 0.056,
    "h": 236.1
  },
  "luminance": 0.02197
}

Semantic roles & 50–950 ramp

primary

#042C40

secondary

#813F1F

accent

#7029FE

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020508

muted

#787A7B

Preview Lab

Preview with #042C40

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

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