#280B2A#280B2A

#280B2A is a very dark, moderate purple. Relative luminance 0.009; OKLCH L 21.3% C 0.069 H 325.1°. Best body text is #FFFFFF at 17.92:1 contrast (WCAG AA passes).

Color values

HEX#280B2A
RGBrgb(40, 11, 42)
HSLhsl(296, 58%, 10%)
HSVhsv(296, 74%, 16%)
CMYKcmyk(4.8%, 73.8%, 0%, 83.5%)
CIE-LABlab(7.75, 20.57, -14.19)
CIE-LCHlch(7.75, 24.99, 325.40°)
OKLaboklab(21.34% 0.0562 -0.0393)
OKLCHoklch(21.34% 0.069 325.1)
XYZxyz(1.4126, 0.8577, 2.2812)
Luminance0.0086 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#280B2A #0D2A0B
analogous
#180B2A #280B2A #2A0B1C
triadic
#280B2A #2A280B #0B2A28
tetradic
#280B2A #2A180B #0D2A0B #0B1C2A
square
#280B2A #2A180B #0D2A0B #0B1C2A
split-complementary
#280B2A #1C2A0B #0B2A18
monochromatic
#170618 #170618 #280B2A #56185A #84248B

Accessibility & contrast

On white

17.92
#280B2A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.17
#280B2A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B2A
17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##280B2A#FFFFFF#000000##FFFFFF
##280B2A1.0017.921.1717.92
#FFFFFF17.921.0021.001.00
#0000001.1721.001.0021.00
##FFFFFF17.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#07152B
Deuteranopia (green-blind)
#111829
Tritanopia (blue-blind)
#290F19
Achromatopsia (no color)
#171717

Design tokens & code

CSS
--color: #280b2a;
/* rgb */ color: rgb(40, 11, 42);
/* oklch */ color: oklch(21.3% 0.069 325.1);
Tailwind
colors: {
  custom: {
    50: '#634c63',
    500: '#280b2a',
    950: '#000000',
  },
}
SCSS
$custom: #280b2a;
$custom-light: #634c63;
$custom-dark: #000000;
JSON
{
  "hex": "#280b2a",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 42
  },
  "hsl": {
    "h": 296.129,
    "s": 58.491,
    "l": 10.392
  },
  "oklch": {
    "l": 0.21343,
    "c": 0.0686,
    "h": 325.1
  },
  "luminance": 0.00858
}

Semantic roles & 50–950 ramp

primary
#280B2A
secondary
#2F662B
accent
#E24650
background
#F6F4F5
surface
#EBE7EA
border
#C6C3C6
text
#050105
muted
#7A7779

Preview Lab

Preview with #280B2A

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

Preview Lab → · Contrast checker → · Palette generator →

#280B2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva