#05222B#05222B

#05222B is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.5% C 0.038 H 222.2°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#05222B
RGB	rgb(5, 34, 43)
HSL	hsl(194, 79%, 9%)
HSV	hsv(194, 88%, 17%)
CMYK	cmyk(88.4%, 20.9%, 0%, 83.1%)
CIE-LAB	lab(11.62, -7.00, -9.13)
CIE-LCH	lch(11.62, 11.51, 232.56°)
OKLab	oklab(23.53% -0.0281 -0.0255)
OKLCH	oklch(23.53% 0.038 222.2)
XYZ	xyz(1.0705, 1.3506, 2.4893)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05222B #2B0E05

analogous

#052B21 #05222B #050F2B

triadic

#05222B #2B0522 #222B05

tetradic

#05222B #21052B #2B0E05 #0F2B05

square

#05222B #21052B #2B0E05 #0F2B05

split-complementary

#05222B #2B050F #2B2105

monochromatic

#03161B #03161B #05222B #0B4D62 #127999

Accessibility & contrast

On white

16.53

#05222B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#05222B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05222B

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05222B	#FFFFFF	#000000	##FFFFFF
##05222B	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D212B

Deuteranopia (green-blind)

#171D2B

Tritanopia (blue-blind)

#002525

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #05222b;
/* rgb */ color: rgb(5, 34, 43);
/* oklch */ color: oklch(23.5% 0.038 222.2);

Tailwind

colors: {
  custom: {
    50: '#4b5d64',
    500: '#05222b',
    950: '#000000',
  },
}

SCSS

$custom: #05222b;
$custom-light: #4b5d64;
$custom-dark: #000000;

JSON

{
  "hex": "#05222b",
  "rgb": {
    "r": 5,
    "g": 34,
    "b": 43
  },
  "hsl": {
    "h": 194.211,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.23528,
    "c": 0.03802,
    "h": 222.2
  },
  "luminance": 0.01351
}

Semantic roles & 50–950 ramp

primary

#05222B

secondary

#6D321F

accent

#6032F6

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #05222B

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

Preview Lab → · Contrast checker → · Palette generator →