#042A41#042A41

#042A41 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.3% C 0.059 H 240.9°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#042A41
RGB	rgb(4, 42, 65)
HSL	hsl(203, 88%, 14%)
HSV	hsv(203, 94%, 25%)
CMYK	cmyk(93.8%, 35.4%, 0%, 74.5%)
CIE-LAB	lab(15.82, -3.08, -18.18)
CIE-LCH	lch(15.82, 18.44, 260.38°)
OKLab	oklab(27.26% -0.0287 -0.0516)
OKLCH	oklch(27.26% 0.059 240.9)
XYZ	xyz(1.8318, 2.0632, 5.3017)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042A41 #411B04

analogous

#044139 #042A41 #040B41

triadic

#042A41 #41042A #2A4104

tetradic

#042A41 #390441 #411B04 #0B4104

square

#042A41 #390441 #411B04 #0B4104

split-complementary

#042A41 #41040B #413904

monochromatic

#02131D #02131D #042A41 #084F7B #0B75B4

Accessibility & contrast

On white

14.87

#042A41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#042A41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042A41

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042A41	#FFFFFF	#000000	##FFFFFF
##042A41	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2A42

Deuteranopia (green-blind)

#172541

Tritanopia (blue-blind)

#003032

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #042a41;
/* rgb */ color: rgb(4, 42, 65);
/* oklch */ color: oklch(27.3% 0.059 240.9);

Tailwind

colors: {
  custom: {
    50: '#506375',
    500: '#042a41',
    950: '#000000',
  },
}

SCSS

$custom: #042a41;
$custom-light: #506375;
$custom-dark: #000000;

JSON

{
  "hex": "#042a41",
  "rgb": {
    "r": 4,
    "g": 42,
    "b": 65
  },
  "hsl": {
    "h": 202.623,
    "s": 88.406,
    "l": 13.529
  },
  "oklch": {
    "l": 0.27258,
    "c": 0.05905,
    "h": 240.9
  },
  "luminance": 0.02063
}

Semantic roles & 50–950 ramp

primary

#042A41

secondary

#82441F

accent

#7A29FF

background

#F4F5F7

surface

#E7EAED

border

#C3C6C8

text

#020508

muted

#78797B

Preview Lab

Preview with #042A41

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

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