#180C4D#180C4D

#180C4D is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.7% C 0.111 H 281.4°. Best body text is #FFFFFF at 17.52:1 contrast (WCAG AA passes).

Color values

HEX#180C4D
RGBrgb(24, 12, 77)
HSLhsl(251, 73%, 17%)
HSVhsv(251, 84%, 30%)
CMYKcmyk(68.8%, 84.4%, 0%, 69.8%)
CIE-LABlab(8.93, 26.97, -37.57)
CIE-LCHlch(8.93, 46.25, 305.67°)
OKLaboklab(22.69% 0.0219 -0.1084)
OKLCHoklch(22.69% 0.111 281.4)
XYZxyz(1.8473, 0.9928, 7.1140)
Luminance0.0099 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#180C4D #414D0C
analogous
#0C204D #180C4D #390C4D
triadic
#180C4D #4D180C #0C4D18
tetradic
#180C4D #4D0C20 #414D0C #0C4D39
square
#180C4D #4D0C20 #414D0C #0C4D39
split-complementary
#180C4D #4D390C #204D0C
monochromatic
#08041A #08041A #180C4D #291482 #391DB7

Accessibility & contrast

On white

17.52
#180C4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.20
#180C4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C4D
17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##180C4D#FFFFFF#000000##FFFFFF
##180C4D1.0017.521.2017.52
#FFFFFF17.521.0021.001.00
#0000001.2021.001.0021.00
##FFFFFF17.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001C4F
Deuteranopia (green-blind)
#00174C
Tritanopia (blue-blind)
#001F2C
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #180c4d;
/* rgb */ color: rgb(24, 12, 77);
/* oklch */ color: oklch(22.7% 0.111 281.4);
Tailwind
colors: {
  custom: {
    50: '#5e4c80',
    500: '#180c4d',
    950: '#000000',
  },
}
SCSS
$custom: #180c4d;
$custom-light: #5e4c80;
$custom-dark: #000000;
JSON
{
  "hex": "#180c4d",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 77
  },
  "hsl": {
    "h": 251.077,
    "s": 73.034,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2269,
    "c": 0.11057,
    "h": 281.4
  },
  "luminance": 0.00993
}

Semantic roles & 50–950 ramp

primary
#180C4D
secondary
#78892C
accent
#F038CE
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#05010A
muted
#79777C

Preview Lab

Preview with #180C4D

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

Preview Lab → · Contrast checker → · Palette generator →

#180C4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva