#280B25#280B25

#280B25 is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.0% C 0.063 H 331.7°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX#280B25
RGBrgb(40, 11, 37)
HSLhsl(306, 57%, 10%)
HSVhsv(306, 73%, 16%)
CMYKcmyk(0%, 72.5%, 7.5%, 84.3%)
CIE-LABlab(7.44, 19.40, -10.89)
CIE-LCHlch(7.44, 22.25, 330.68°)
OKLaboklab(21.01% 0.0555 -0.0298)
OKLCHoklch(21.01% 0.063 331.7)
XYZxyz(1.3287, 0.8241, 1.8390)
Luminance0.0082 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#280B25 #0B280E
analogous
#1D0B28 #280B25 #280B16
triadic
#280B25 #25280B #0B2528
tetradic
#280B25 #281D0B #0B280E #0B1628
square
#280B25 #281D0B #0B280E #0B1628
split-complementary
#280B25 #16280B #0B281D
monochromatic
#180716 #180716 #280B25 #581851 #88257E

Accessibility & contrast

On white

18.03
#280B25 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.16
#280B25 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B25
18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##280B25#FFFFFF#000000##FFFFFF
##280B251.0018.031.1618.03
#FFFFFF18.031.0021.001.00
#0000001.1621.001.0021.00
##FFFFFF18.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0A1426
Deuteranopia (green-blind)
#131824
Tritanopia (blue-blind)
#2A0D16
Achromatopsia (no color)
#161616

Design tokens & code

CSS
--color: #280b25;
/* rgb */ color: rgb(40, 11, 37);
/* oklch */ color: oklch(21.0% 0.063 331.7);
Tailwind
colors: {
  custom: {
    50: '#634c5f',
    500: '#280b25',
    950: '#000000',
  },
}
SCSS
$custom: #280b25;
$custom-light: #634c5f;
$custom-dark: #000000;
JSON
{
  "hex": "#280b25",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 37
  },
  "hsl": {
    "h": 306.207,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.21011,
    "c": 0.06304,
    "h": 331.7
  },
  "luminance": 0.00824
}

Semantic roles & 50–950 ramp

primary
#280B25
secondary
#2B6431
accent
#E05748
background
#F6F4F5
surface
#EBE7E9
border
#C6C3C5
text
#050104
muted
#7A7779

Preview Lab

Preview with #280B25

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

Preview Lab → · Contrast checker → · Palette generator →

#280B25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva