#280B36#280B36

#280B36 is a very dark, moderate purple. Relative luminance 0.010; OKLCH L 22.3% C 0.083 H 312.6°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX#280B36
RGBrgb(40, 11, 54)
HSLhsl(280, 66%, 13%)
HSVhsv(280, 80%, 21%)
CMYKcmyk(25.9%, 79.6%, 0%, 78.8%)
CIE-LABlab(8.63, 23.59, -21.65)
CIE-LCHlch(8.63, 32.02, 317.45°)
OKLaboklab(22.26% 0.0561 -0.0611)
OKLCHoklch(22.26% 0.083 312.6)
XYZxyz(1.6605, 0.9568, 3.5865)
Luminance0.0096 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#280B36 #19360B
analogous
#120B36 #280B36 #360B2E
triadic
#280B36 #36280B #0B3628
tetradic
#280B36 #36120B #19360B #0B2E36
square
#280B36 #36120B #19360B #0B2E36
split-complementary
#280B36 #2E360B #0B3612
monochromatic
#130519 #130519 #280B36 #4E1569 #73209C

Accessibility & contrast

On white

17.63
#280B36 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#280B36 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B36
17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##280B36#FFFFFF#000000##FFFFFF
##280B361.0017.631.1917.63
#FFFFFF17.631.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001737
Deuteranopia (green-blind)
#071935
Tritanopia (blue-blind)
#26141F
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #280b36;
/* rgb */ color: rgb(40, 11, 54);
/* oklch */ color: oklch(22.3% 0.083 312.6);
Tailwind
colors: {
  custom: {
    50: '#644c6d',
    500: '#280b36',
    950: '#000000',
  },
}
SCSS
$custom: #280b36;
$custom-light: #644c6d;
$custom-dark: #000000;
JSON
{
  "hex": "#280b36",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 54
  },
  "hsl": {
    "h": 280.465,
    "s": 66.154,
    "l": 12.745
  },
  "oklch": {
    "l": 0.22263,
    "c": 0.08295,
    "h": 312.6
  },
  "luminance": 0.00957
}

Semantic roles & 50–950 ramp

primary
#280B36
secondary
#42732A
accent
#E93F76
background
#F6F4F6
surface
#EBE7EB
border
#C6C3C6
text
#050107
muted
#7A777A

Preview Lab

Preview with #280B36

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

Preview Lab → · Contrast checker → · Palette generator →

#280B36 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva