#04222F#04222F

#04222F is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.7% C 0.043 H 230.7°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#04222F
RGB	rgb(4, 34, 47)
HSL	hsl(198, 84%, 10%)
HSV	hsv(198, 91%, 18%)
CMYK	cmyk(91.5%, 27.7%, 0%, 81.6%)
CIE-LAB	lab(11.79, -5.50, -11.77)
CIE-LCH	lch(11.79, 13.00, 244.96°)
OKLab	oklab(23.72% -0.0271 -0.0331)
OKLCH	oklch(23.72% 0.043 230.7)
XYZ	xyz(1.1350, 1.3750, 2.8943)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04222F #2F1104

analogous

#042F27 #04222F #040C2F

triadic

#04222F #2F0422 #222F04

tetradic

#04222F #27042F #2F1104 #0C2F04

square

#04222F #27042F #2F1104 #0C2F04

split-complementary

#04222F #2F040C #2F2704

monochromatic

#02141C #02141C #04222F #094B67 #0E74A0

Accessibility & contrast

On white

16.47

#04222F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#04222F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04222F

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04222F	#FFFFFF	#000000	##FFFFFF
##04222F	1.00	16.47	1.27	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2130

Deuteranopia (green-blind)

#151D2F

Tritanopia (blue-blind)

#002626

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #04222f;
/* rgb */ color: rgb(4, 34, 47);
/* oklch */ color: oklch(23.7% 0.043 230.7);

Tailwind

colors: {
  custom: {
    50: '#4b5c67',
    500: '#04222f',
    950: '#000000',
  },
}

SCSS

$custom: #04222f;
$custom-light: #4b5c67;
$custom-dark: #000000;

JSON

{
  "hex": "#04222f",
  "rgb": {
    "r": 4,
    "g": 34,
    "b": 47
  },
  "hsl": {
    "h": 198.14,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.23717,
    "c": 0.04282,
    "h": 230.7
  },
  "luminance": 0.01375
}

Semantic roles & 50–950 ramp

primary

#04222F

secondary

#72371D

accent

#6B2DFB

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #04222F

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

Preview Lab → · Contrast checker → · Palette generator →