#04213F#04213F

#04213F is a very dark, moderate cyan. Relative luminance 0.015; OKLCH L 24.6% C 0.067 H 252.4°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#04213F
RGB	rgb(4, 33, 63)
HSL	hsl(211, 88%, 13%)
HSV	hsv(211, 94%, 25%)
CMYK	cmyk(93.7%, 47.6%, 0%, 75.3%)
CIE-LAB	lab(12.43, 2.62, -22.16)
CIE-LCH	lch(12.43, 22.31, 276.73°)
OKLab	oklab(24.55% -0.0202 -0.0635)
OKLCH	oklch(24.55% 0.067 252.4)
XYZ	xyz(1.4908, 1.4722, 4.9073)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04213F #3F2204

analogous

#043E3F #04213F #04043F

triadic

#04213F #3F0421 #213F04

tetradic

#04213F #3F043E #3F2204 #043F04

square

#04213F #3F043E #3F2204 #043F04

split-complementary

#04213F #3F0404 #3E3F04

monochromatic

#020F1D #020F1D #04213F #083F79 #0B5DB2

Accessibility & contrast

On white

16.22

#04213F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#04213F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04213F

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04213F	#FFFFFF	#000000	##FFFFFF
##04213F	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122340

Deuteranopia (green-blind)

#071E3E

Tritanopia (blue-blind)

#00282C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #04213f;
/* rgb */ color: rgb(4, 33, 63);
/* oklch */ color: oklch(24.6% 0.067 252.4);

Tailwind

colors: {
  custom: {
    50: '#505b74',
    500: '#04213f',
    950: '#000000',
  },
}

SCSS

$custom: #04213f;
$custom-light: #505b74;
$custom-dark: #000000;

JSON

{
  "hex": "#04213f",
  "rgb": {
    "r": 4,
    "g": 33,
    "b": 63
  },
  "hsl": {
    "h": 210.508,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24553,
    "c": 0.06659,
    "h": 252.4
  },
  "luminance": 0.01472
}

Semantic roles & 50–950 ramp

primary

#04213F

secondary

#80501E

accent

#962AFE

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020408

muted

#78797B

Preview Lab

Preview with #04213F

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

Preview Lab → · Contrast checker → · Palette generator →