#04203A#04203A

#04203A is a very dark, moderate cyan. Relative luminance 0.014; OKLCH L 23.9% C 0.060 H 249.9°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#04203A
RGB	rgb(4, 32, 58)
HSL	hsl(209, 87%, 12%)
HSV	hsv(209, 93%, 23%)
CMYK	cmyk(93.1%, 44.8%, 0%, 77.3%)
CIE-LAB	lab(11.72, 1.02, -19.76)
CIE-LCH	lch(11.72, 19.79, 272.94°)
OKLab	oklab(23.88% -0.0206 -0.0564)
OKLCH	oklch(23.88% 0.06 249.9)
XYZ	xyz(1.3300, 1.3642, 4.1954)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04203A #3A1E04

analogous

#043A39 #04203A #04053A

triadic

#04203A #3A0420 #203A04

tetradic

#04203A #39043A #3A1E04 #053A04

square

#04203A #39043A #3A1E04 #053A04

split-complementary

#04203A #3A0405 #3A3904

monochromatic

#02101D #02101D #04203A #084073 #0C5FAD

Accessibility & contrast

On white

16.50

#04203A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#04203A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04203A

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04203A	#FFFFFF	#000000	##FFFFFF
##04203A	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13223B

Deuteranopia (green-blind)

#0B1D39

Tritanopia (blue-blind)

#00262A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #04203a;
/* rgb */ color: rgb(4, 32, 58);
/* oklch */ color: oklch(23.9% 0.060 249.9);

Tailwind

colors: {
  custom: {
    50: '#4e5b70',
    500: '#04203a',
    950: '#000000',
  },
}

SCSS

$custom: #04203a;
$custom-light: #4e5b70;
$custom-dark: #000000;

JSON

{
  "hex": "#04203a",
  "rgb": {
    "r": 4,
    "g": 32,
    "b": 58
  },
  "hsl": {
    "h": 208.889,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.23881,
    "c": 0.06011,
    "h": 249.9
  },
  "luminance": 0.01364
}

Semantic roles & 50–950 ramp

primary

#04203A

secondary

#7C4B1E

accent

#902BFD

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #04203A

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

Preview Lab → · Contrast checker → · Palette generator →