#04232A#04232A

#04232A is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.7% C 0.038 H 215.8°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#04232A
RGB	rgb(4, 35, 42)
HSL	hsl(191, 83%, 9%)
HSV	hsv(191, 90%, 16%)
CMYK	cmyk(90.5%, 16.7%, 0%, 83.5%)
CIE-LAB	lab(11.92, -8.34, -7.96)
CIE-LCH	lch(11.92, 11.53, 223.64°)
OKLab	oklab(23.74% -0.0308 -0.0222)
OKLCH	oklch(23.74% 0.038 215.8)
XYZ	xyz(1.0688, 1.3949, 2.4030)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04232A #2A0B04

analogous

#042A1E #04232A #04102A

triadic

#04232A #2A0423 #232A04

tetradic

#04232A #1E042A #2A0B04 #102A04

square

#04232A #1E042A #2A0B04 #102A04

split-complementary

#04232A #2A0410 #2A1E04

monochromatic

#03171C #03171C #04232A #095262 #0F809A

Accessibility & contrast

On white

16.42

#04232A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#04232A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04232A

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04232A	#FFFFFF	#000000	##FFFFFF
##04232A	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E222A

Deuteranopia (green-blind)

#191E2A

Tritanopia (blue-blind)

#002625

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #04232a;
/* rgb */ color: rgb(4, 35, 42);
/* oklch */ color: oklch(23.7% 0.038 215.8);

Tailwind

colors: {
  custom: {
    50: '#4a5d63',
    500: '#04232a',
    950: '#000000',
  },
}

SCSS

$custom: #04232a;
$custom-light: #4a5d63;
$custom-dark: #000000;

JSON

{
  "hex": "#04232a",
  "rgb": {
    "r": 4,
    "g": 35,
    "b": 42
  },
  "hsl": {
    "h": 191.053,
    "s": 82.609,
    "l": 9.02
  },
  "oklch": {
    "l": 0.2374,
    "c": 0.03797,
    "h": 215.8
  },
  "luminance": 0.01395
}

Semantic roles & 50–950 ramp

primary

#04232A

secondary

#6D2C1D

accent

#542FF9

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #04232A

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

Preview Lab → · Contrast checker → · Palette generator →