#04223F#04223F

#04223F is a very dark, moderate cyan. Relative luminance 0.015; OKLCH L 24.8% C 0.065 H 251.1°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#04223F
RGB	rgb(4, 34, 63)
HSL	hsl(209, 88%, 13%)
HSV	hsv(209, 94%, 25%)
CMYK	cmyk(93.7%, 46%, 0%, 75.3%)
CIE-LAB	lab(12.79, 1.85, -21.58)
CIE-LCH	lch(12.79, 21.66, 274.91°)
OKLab	oklab(24.83% -0.0212 -0.0617)
OKLCH	oklch(24.83% 0.065 251.1)
XYZ	xyz(1.5190, 1.5286, 4.9166)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04223F #3F2104

analogous

#043F3E #04223F #04043F

triadic

#04223F #3F0422 #223F04

tetradic

#04223F #3E043F #3F2104 #043F04

square

#04223F #3E043F #3F2104 #043F04

split-complementary

#04223F #3F0404 #3F3E04

monochromatic

#02101D #02101D #04223F #084179 #0B60B2

Accessibility & contrast

On white

16.08

#04223F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#04223F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04223F

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04223F	#FFFFFF	#000000	##FFFFFF
##04223F	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142440

Deuteranopia (green-blind)

#091F3E

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #04223f;
/* rgb */ color: rgb(4, 34, 63);
/* oklch */ color: oklch(24.8% 0.065 251.1);

Tailwind

colors: {
  custom: {
    50: '#505c74',
    500: '#04223f',
    950: '#000000',
  },
}

SCSS

$custom: #04223f;
$custom-light: #505c74;
$custom-dark: #000000;

JSON

{
  "hex": "#04223f",
  "rgb": {
    "r": 4,
    "g": 34,
    "b": 63
  },
  "hsl": {
    "h": 209.492,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24832,
    "c": 0.06527,
    "h": 251.1
  },
  "luminance": 0.01529
}

Semantic roles & 50–950 ramp

primary

#04223F

secondary

#804F1E

accent

#922AFE

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020408

muted

#78797B

Preview Lab

Preview with #04223F

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

Preview Lab → · Contrast checker → · Palette generator →