#280B24#280B24

#280B24 is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 20.9% C 0.062 H 333.2°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX#280B24
RGBrgb(40, 11, 36)
HSLhsl(308, 57%, 10%)
HSVhsv(308, 73%, 16%)
CMYKcmyk(0%, 72.5%, 10%, 84.3%)
CIE-LABlab(7.39, 19.17, -10.22)
CIE-LCHlch(7.39, 21.72, 331.93°)
OKLaboklab(20.95% 0.0553 -0.0279)
OKLCHoklch(20.95% 0.062 333.2)
XYZxyz(1.3132, 0.8179, 1.7574)
Luminance0.0082 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#280B24 #0B280F
analogous
#1E0B28 #280B24 #280B15
triadic
#280B24 #24280B #0B2428
tetradic
#280B24 #281E0B #0B280F #0B1528
square
#280B24 #281E0B #0B280F #0B1528
split-complementary
#280B24 #15280B #0B281E
monochromatic
#180716 #180716 #280B24 #58184F #88257A

Accessibility & contrast

On white

18.05
#280B24 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.16
#280B24 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B24
18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##280B24#FFFFFF#000000##FFFFFF
##280B241.0018.051.1618.05
#FFFFFF18.051.0021.001.00
#0000001.1621.001.0021.00
##FFFFFF18.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0A1425
Deuteranopia (green-blind)
#131823
Tritanopia (blue-blind)
#2A0D16
Achromatopsia (no color)
#161616

Design tokens & code

CSS
--color: #280b24;
/* rgb */ color: rgb(40, 11, 36);
/* oklch */ color: oklch(20.9% 0.062 333.2);
Tailwind
colors: {
  custom: {
    50: '#634c5e',
    500: '#280b24',
    950: '#000000',
  },
}
SCSS
$custom: #280b24;
$custom-light: #634c5e;
$custom-dark: #000000;
JSON
{
  "hex": "#280b24",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 36
  },
  "hsl": {
    "h": 308.276,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.20948,
    "c": 0.06199,
    "h": 333.2
  },
  "luminance": 0.00818
}

Semantic roles & 50–950 ramp

primary
#280B24
secondary
#2B6433
accent
#E05D48
background
#F6F4F5
surface
#EBE7E9
border
#C6C3C5
text
#050104
muted
#7A7779

Preview Lab

Preview with #280B24

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

Preview Lab → · Contrast checker → · Palette generator →

#280B24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva