#04232F#04232F

#04232F is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.0% C 0.042 H 228.0°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#04232F
RGB	rgb(4, 35, 47)
HSL	hsl(197, 84%, 10%)
HSV	hsv(197, 91%, 18%)
CMYK	cmyk(91.5%, 25.5%, 0%, 81.6%)
CIE-LAB	lab(12.18, -6.20, -11.18)
CIE-LCH	lch(12.18, 12.78, 241.00°)
OKLab	oklab(24.03% -0.0283 -0.0314)
OKLCH	oklch(24.03% 0.042 228)
XYZ	xyz(1.1640, 1.4330, 2.9040)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04232F #2F1004

analogous

#042F25 #04232F #040E2F

triadic

#04232F #2F0423 #232F04

tetradic

#04232F #25042F #2F1004 #0E2F04

square

#04232F #25042F #2F1004 #0E2F04

split-complementary

#04232F #2F040E #2F2504

monochromatic

#02151C #02151C #04232F #094D67 #0E77A0

Accessibility & contrast

On white

16.32

#04232F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#04232F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04232F

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04232F	#FFFFFF	#000000	##FFFFFF
##04232F	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2230

Deuteranopia (green-blind)

#171E2F

Tritanopia (blue-blind)

#002627

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #04232f;
/* rgb */ color: rgb(4, 35, 47);
/* oklch */ color: oklch(24.0% 0.042 228.0);

Tailwind

colors: {
  custom: {
    50: '#4b5d67',
    500: '#04232f',
    950: '#000000',
  },
}

SCSS

$custom: #04232f;
$custom-light: #4b5d67;
$custom-dark: #000000;

JSON

{
  "hex": "#04232f",
  "rgb": {
    "r": 4,
    "g": 35,
    "b": 47
  },
  "hsl": {
    "h": 196.744,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.24025,
    "c": 0.0423,
    "h": 228
  },
  "luminance": 0.01433
}

Semantic roles & 50–950 ramp

primary

#04232F

secondary

#72351D

accent

#672DFB

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #04232F

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

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