#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
RGBrgb(5, 32, 59)
HSLhsl(210, 84%, 13%)
HSVhsv(210, 92%, 23%)
CMYKcmyk(91.5%, 45.8%, 0%, 76.9%)
CIE-LABlab(11.83, 1.67, -20.29)
CIE-LCHlch(11.83, 20.36, 274.71°)
OKLaboklab(24% -0.0194 -0.058)
OKLCHoklch(24% 0.061 251.5)
XYZxyz(1.3682, 1.3809, 4.3313)
Luminance0.0138 (WCAG relative)
Temperaturecool
Familycyan

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
##05203B1.0016.461.2816.46
#FFFFFF16.461.0021.001.00
#0000001.2821.001.0021.00
##FFFFFF16.461.0021.001.00

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 →

#05203B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva