#05203B#05203B

#05203B is a very dark, moderate cyan. Relative luminance 0.014; OKLCH L 24.0% C 0.061 H 251.5°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#05203B
RGB	rgb(5, 32, 59)
HSL	hsl(210, 84%, 13%)
HSV	hsv(210, 92%, 23%)
CMYK	cmyk(91.5%, 45.8%, 0%, 76.9%)
CIE-LAB	lab(11.83, 1.67, -20.29)
CIE-LCH	lch(11.83, 20.36, 274.71°)
OKLab	oklab(24% -0.0194 -0.058)
OKLCH	oklch(24% 0.061 251.5)
XYZ	xyz(1.3682, 1.3809, 4.3313)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05203B #3B2005

analogous

#053B3B #05203B #05053B

triadic

#05203B #3B0520 #203B05

tetradic

#05203B #3B053B #3B2005 #053B05

square

#05203B #3B053B #3B2005 #053B05

split-complementary

#05203B #3B0505 #3B3B05

monochromatic

#020F1C #020F1C #05203B #0A3F73 #0F5DAC

Accessibility & contrast

On white

16.46

#05203B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#05203B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05203B

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05203B	#FFFFFF	#000000	##FFFFFF
##05203B	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13223C

Deuteranopia (green-blind)

#0A1D3A

Tritanopia (blue-blind)

#00262A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #05203b;
/* rgb */ color: rgb(5, 32, 59);
/* oklch */ color: oklch(24.0% 0.061 251.5);

Tailwind

colors: {
  custom: {
    50: '#4f5b71',
    500: '#05203b',
    950: '#000000',
  },
}

SCSS

$custom: #05203b;
$custom-light: #4f5b71;
$custom-dark: #000000;

JSON

{
  "hex": "#05203b",
  "rgb": {
    "r": 5,
    "g": 32,
    "b": 59
  },
  "hsl": {
    "h": 210,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.24004,
    "c": 0.06116,
    "h": 251.5
  },
  "luminance": 0.01381
}

Semantic roles & 50–950 ramp

primary

#05203B

secondary

#7C4E20

accent

#942DFB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #05203B

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

Preview Lab → · Contrast checker → · Palette generator →