#280F09#280F09

#280F09 is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.6% C 0.044 H 34.7°. Best body text is #FFFFFF at 18.07:1 contrast (WCAG AA passes).

Color values

HEX#280F09
RGBrgb(40, 15, 9)
HSLhsl(12, 63%, 10%)
HSVhsv(12, 78%, 16%)
CMYKcmyk(0%, 62.5%, 77.5%, 84.3%)
CIE-LABlab(7.34, 12.33, 7.54)
CIE-LCHlch(7.34, 14.46, 31.44°)
OKLaboklab(20.57% 0.036 0.0249)
OKLCHoklch(20.57% 0.044 34.7)
XYZxyz(1.0953, 0.8126, 0.3576)
Luminance0.0081 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#280F09 #092228
analogous
#280913 #280F09 #281F09
triadic
#280F09 #09280F #0F0928
tetradic
#280F09 #132809 #092228 #1F0928
square
#280F09 #132809 #092228 #1F0928
split-complementary
#280F09 #09281F #091328
monochromatic
#190906 #190906 #280F09 #5A2214 #8C341F

Accessibility & contrast

On white

18.07
#280F09 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.16
#280F09 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280F09
18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##280F09#FFFFFF#000000##FFFFFF
##280F091.0018.071.1618.07
#FFFFFF18.071.0021.001.00
#0000001.1621.001.0021.00
##FFFFFF18.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#151308
Deuteranopia (green-blind)
#1B1809
Tritanopia (blue-blind)
#2D0A0E
Achromatopsia (no color)
#161616

Design tokens & code

CSS
--color: #280f09;
/* rgb */ color: rgb(40, 15, 9);
/* oklch */ color: oklch(20.6% 0.044 34.7);
Tailwind
colors: {
  custom: {
    50: '#634e4b',
    500: '#280f09',
    950: '#000000',
  },
}
SCSS
$custom: #280f09;
$custom-light: #634e4b;
$custom-dark: #000000;
JSON
{
  "hex": "#280f09",
  "rgb": {
    "r": 40,
    "g": 15,
    "b": 9
  },
  "hsl": {
    "h": 11.613,
    "s": 63.265,
    "l": 9.608
  },
  "oklch": {
    "l": 0.20574,
    "c": 0.04379,
    "h": 34.7
  },
  "luminance": 0.00812
}

Semantic roles & 50–950 ramp

primary
#280F09
secondary
#275A66
accent
#C6E641
background
#F6F4F4
surface
#EBE7E7
border
#C6C3C3
text
#050101
muted
#7A7777

Preview Lab

Preview with #280F09

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

Preview Lab → · Contrast checker → · Palette generator →

#280F09 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva