#042233#042233

#042233 is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.0% C 0.048 H 237.9°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#042233
RGB	rgb(4, 34, 51)
HSL	hsl(202, 85%, 11%)
HSV	hsv(202, 92%, 20%)
CMYK	cmyk(92.2%, 33.3%, 0%, 80%)
CIE-LAB	lab(12.02, -3.71, -14.30)
CIE-LCH	lch(12.02, 14.77, 255.47°)
OKLab	oklab(23.97% -0.0254 -0.0404)
OKLCH	oklch(23.97% 0.048 237.9)
XYZ	xyz(1.2194, 1.4087, 3.3390)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042233 #331504

analogous

#04332C #042233 #040A33

triadic

#042233 #330422 #223304

tetradic

#042233 #2C0433 #331504 #0A3304

square

#042233 #2C0433 #331504 #0A3304

split-complementary

#042233 #33040A #332C04

monochromatic

#02131C #02131C #042233 #08486C #0D6EA4

Accessibility & contrast

On white

16.38

#042233 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#042233 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042233

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042233	#FFFFFF	#000000	##FFFFFF
##042233	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2234

Deuteranopia (green-blind)

#131E33

Tritanopia (blue-blind)

#002628

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #042233;
/* rgb */ color: rgb(4, 34, 51);
/* oklch */ color: oklch(24.0% 0.048 237.9);

Tailwind

colors: {
  custom: {
    50: '#4c5c6a',
    500: '#042233',
    950: '#000000',
  },
}

SCSS

$custom: #042233;
$custom-light: #4c5c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#042233",
  "rgb": {
    "r": 4,
    "g": 34,
    "b": 51
  },
  "hsl": {
    "h": 201.702,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.23971,
    "c": 0.04775,
    "h": 237.9
  },
  "luminance": 0.01409
}

Semantic roles & 50–950 ramp

primary

#042233

secondary

#753D1D

accent

#772CFC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #042233

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

Preview Lab → · Contrast checker → · Palette generator →