#180D4B#180D4B

#180D4B is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.6% C 0.107 H 281.8°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX#180D4B
RGBrgb(24, 13, 75)
HSLhsl(251, 70%, 17%)
HSVhsv(251, 83%, 29%)
CMYKcmyk(68%, 82.7%, 0%, 70.6%)
CIE-LABlab(8.91, 25.67, -36.22)
CIE-LCHlch(8.91, 44.40, 305.33°)
OKLaboklab(22.6% 0.0218 -0.1045)
OKLCHoklch(22.6% 0.107 281.8)
XYZxyz(1.7902, 0.9899, 6.7520)
Luminance0.0099 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#180D4B #404B0D
analogous
#0D214B #180D4B #370D4B
triadic
#180D4B #4B180D #0D4B18
tetradic
#180D4B #4B0D21 #404B0D #0D4B37
square
#180D4B #4B0D21 #404B0D #0D4B37
split-complementary
#180D4B #4B370D #214B0D
monochromatic
#08051A #08051A #180D4B #29167F #391FB3

Accessibility & contrast

On white

17.53
#180D4B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.20
#180D4B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D4B
17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##180D4B#FFFFFF#000000##FFFFFF
##180D4B1.0017.531.2017.53
#FFFFFF17.531.0021.001.00
#0000001.2021.001.0021.00
##FFFFFF17.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001B4D
Deuteranopia (green-blind)
#00174A
Tritanopia (blue-blind)
#001F2B
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #180d4b;
/* rgb */ color: rgb(24, 13, 75);
/* oklch */ color: oklch(22.6% 0.107 281.8);
Tailwind
colors: {
  custom: {
    50: '#5d4d7e',
    500: '#180d4b',
    950: '#000000',
  },
}
SCSS
$custom: #180d4b;
$custom-light: #5d4d7e;
$custom-dark: #000000;
JSON
{
  "hex": "#180d4b",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 75
  },
  "hsl": {
    "h": 250.645,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22603,
    "c": 0.1067,
    "h": 281.8
  },
  "luminance": 0.0099
}

Semantic roles & 50–950 ramp

primary
#180D4B
secondary
#77862E
accent
#ED3BCE
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#05010A
muted
#79777C

Preview Lab

Preview with #180D4B

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

Preview Lab → · Contrast checker → · Palette generator →

#180D4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva