#042940#042940

#042940 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.9% C 0.059 H 241.5°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#042940
RGB	rgb(4, 41, 64)
HSL	hsl(203, 88%, 13%)
HSV	hsv(203, 94%, 25%)
CMYK	cmyk(93.8%, 35.9%, 0%, 74.9%)
CIE-LAB	lab(15.39, -2.82, -18.16)
CIE-LCH	lch(15.39, 18.37, 261.17°)
OKLab	oklab(26.9% -0.028 -0.0516)
OKLCH	oklch(26.9% 0.059 241.5)
XYZ	xyz(1.7681, 1.9816, 5.1388)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042940 #401B04

analogous

#044039 #042940 #040B40

triadic

#042940 #400429 #294004

tetradic

#042940 #390440 #401B04 #0B4004

square

#042940 #390440 #401B04 #0B4004

split-complementary

#042940 #40040B #403904

monochromatic

#02121D #02121D #042940 #084E7A #0B73B3

Accessibility & contrast

On white

15.04

#042940 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#042940 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042940

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042940	#FFFFFF	#000000	##FFFFFF
##042940	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2A41

Deuteranopia (green-blind)

#162440

Tritanopia (blue-blind)

#002F31

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #042940;
/* rgb */ color: rgb(4, 41, 64);
/* oklch */ color: oklch(26.9% 0.059 241.5);

Tailwind

colors: {
  custom: {
    50: '#506275',
    500: '#042940',
    950: '#000000',
  },
}

SCSS

$custom: #042940;
$custom-light: #506275;
$custom-dark: #000000;

JSON

{
  "hex": "#042940",
  "rgb": {
    "r": 4,
    "g": 41,
    "b": 64
  },
  "hsl": {
    "h": 203,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.26902,
    "c": 0.05868,
    "h": 241.5
  },
  "luminance": 0.01982
}

Semantic roles & 50–950 ramp

primary

#042940

secondary

#81441F

accent

#7B29FE

background

#F4F5F7

surface

#E7EAED

border

#C3C6C8

text

#020508

muted

#78797B

Preview Lab

Preview with #042940

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

Preview Lab → · Contrast checker → · Palette generator →