#891B1B#891B1B

#891B1B is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.3% C 0.145 H 26.4°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX#891B1B
RGBrgb(137, 27, 27)
HSLhsl(0, 67%, 32%)
HSVhsv(0, 80%, 54%)
CMYKcmyk(0%, 80.3%, 80.3%, 46.3%)
CIE-LABlab(29.87, 45.26, 29.54)
CIE-LCHlch(29.87, 54.05, 33.13°)
OKLaboklab(41.29% 0.1303 0.0647)
OKLCHoklch(41.29% 0.145 26.4)
XYZxyz(10.9076, 6.1831, 1.6558)
Luminance0.0618 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#891B1B #1B8989
analogous
#891B52 #891B1B #89521B
triadic
#891B1B #1B891B #1B1B89
tetradic
#891B1B #52891B #1B8989 #521B89
square
#891B1B #52891B #1B8989 #521B89
split-complementary
#891B1B #1B8952 #1B5289
monochromatic
#230707 #561111 #891B1B #BC2525 #DA4444

Accessibility & contrast

On white

9.39
#891B1B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.24
#891B1B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #891B1B
9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##891B1B#FFFFFF#000000##FFFFFF
##891B1B1.009.392.249.39
#FFFFFF9.391.0021.001.00
#0000002.2421.001.0021.00
##FFFFFF9.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D371A
Deuteranopia (green-blind)
#594F16
Tritanopia (blue-blind)
#97001D
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #891b1b;
/* rgb */ color: rgb(137, 27, 27);
/* oklch */ color: oklch(41.3% 0.145 26.4);
Tailwind
colors: {
  custom: {
    50: '#b46258',
    500: '#891b1b',
    950: '#000000',
  },
}
SCSS
$custom: #891b1b;
$custom-light: #b46258;
$custom-dark: #000000;
JSON
{
  "hex": "#891b1b",
  "rgb": {
    "r": 137,
    "g": 27,
    "b": 27
  },
  "hsl": {
    "h": 0,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41292,
    "c": 0.14544,
    "h": 26.4
  },
  "luminance": 0.06181
}

Semantic roles & 50–950 ramp

primary
#891B1B
secondary
#44BCBC
accent
#EAEA3E
background
#FCF6F5
surface
#F8EBE9
border
#D1C6C5
text
#130603
muted
#827A78

Preview Lab

Preview with #891B1B

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

Preview Lab → · Contrast checker → · Palette generator →

#891B1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva