#180B4C#180B4C

#180B4C is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.4% C 0.110 H 282.0°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX#180B4C
RGBrgb(24, 11, 76)
HSLhsl(252, 75%, 17%)
HSVhsv(252, 86%, 30%)
CMYKcmyk(68.4%, 85.5%, 0%, 70.2%)
CIE-LABlab(8.61, 27.20, -37.40)
CIE-LCHlch(8.61, 46.24, 306.03°)
OKLaboklab(22.43% 0.0229 -0.1079)
OKLCHoklch(22.43% 0.11 282)
XYZxyz(1.8005, 0.9552, 6.9256)
Luminance0.0095 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#180B4C #3F4C0B
analogous
#0B1F4C #180B4C #390B4C
triadic
#180B4C #4C180B #0B4C18
tetradic
#180B4C #4C0B1F #3F4C0B #0B4C39
square
#180B4C #4C0B1F #3F4C0B #0B4C39
split-complementary
#180B4C #4C390B #1F4C0B
monochromatic
#08041B #08041B #180B4C #291381 #3A1AB7

Accessibility & contrast

On white

17.63
#180B4C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#180B4C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180B4C
17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##180B4C#FFFFFF#000000##FFFFFF
##180B4C1.0017.631.1917.63
#FFFFFF17.631.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001B4E
Deuteranopia (green-blind)
#00164B
Tritanopia (blue-blind)
#001E2B
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #180b4c;
/* rgb */ color: rgb(24, 11, 76);
/* oklch */ color: oklch(22.4% 0.110 282.0);
Tailwind
colors: {
  custom: {
    50: '#5d4c7f',
    500: '#180b4c',
    950: '#000000',
  },
}
SCSS
$custom: #180b4c;
$custom-light: #5d4c7f;
$custom-dark: #000000;
JSON
{
  "hex": "#180b4c",
  "rgb": {
    "r": 24,
    "g": 11,
    "b": 76
  },
  "hsl": {
    "h": 252,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22432,
    "c": 0.11029,
    "h": 282
  },
  "luminance": 0.00955
}

Semantic roles & 50–950 ramp

primary
#180B4C
secondary
#75882B
accent
#F136CC
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#05010A
muted
#79777C

Preview Lab

Preview with #180B4C

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

Preview Lab → · Contrast checker → · Palette generator →

#180B4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva