#04213A#04213A

#04213A is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.2% C 0.059 H 248.4°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#04213A
RGB	rgb(4, 33, 58)
HSL	hsl(208, 87%, 12%)
HSV	hsv(208, 93%, 23%)
CMYK	cmyk(93.1%, 43.1%, 0%, 77.3%)
CIE-LAB	lab(12.08, 0.26, -19.18)
CIE-LCH	lch(12.08, 19.18, 270.79°)
OKLab	oklab(24.17% -0.0217 -0.0547)
OKLCH	oklch(24.17% 0.059 248.4)
XYZ	xyz(1.3574, 1.4188, 4.2045)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04213A #3A1D04

analogous

#043A38 #04213A #04063A

triadic

#04213A #3A0421 #213A04

tetradic

#04213A #38043A #3A1D04 #063A04

square

#04213A #38043A #3A1D04 #063A04

split-complementary

#04213A #3A0406 #3A3804

monochromatic

#02101D #02101D #04213A #084273 #0C62AD

Accessibility & contrast

On white

16.36

#04213A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#04213A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04213A

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04213A	#FFFFFF	#000000	##FFFFFF
##04213A	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15223B

Deuteranopia (green-blind)

#0D1D3A

Tritanopia (blue-blind)

#00272A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #04213a;
/* rgb */ color: rgb(4, 33, 58);
/* oklch */ color: oklch(24.2% 0.059 248.4);

Tailwind

colors: {
  custom: {
    50: '#4e5b70',
    500: '#04213a',
    950: '#000000',
  },
}

SCSS

$custom: #04213a;
$custom-light: #4e5b70;
$custom-dark: #000000;

JSON

{
  "hex": "#04213a",
  "rgb": {
    "r": 4,
    "g": 33,
    "b": 58
  },
  "hsl": {
    "h": 207.778,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.24168,
    "c": 0.05887,
    "h": 248.4
  },
  "luminance": 0.01419
}

Semantic roles & 50–950 ramp

primary

#04213A

secondary

#7C491E

accent

#8C2BFD

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #04213A

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

Preview Lab → · Contrast checker → · Palette generator →