#901B16#901B16

#901B16 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.6% C 0.153 H 28.3°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX#901B16
RGBrgb(144, 27, 22)
HSLhsl(2, 73%, 33%)
HSVhsv(2, 85%, 56%)
CMYKcmyk(0%, 81.3%, 84.7%, 43.5%)
CIE-LABlab(31.28, 47.30, 34.31)
CIE-LCHlch(31.28, 58.43, 35.96°)
OKLaboklab(42.59% 0.1348 0.0726)
OKLCHoklch(42.59% 0.153 28.3)
XYZxyz(12.0398, 6.7730, 1.4323)
Luminance0.0677 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#901B16 #168B90
analogous
#90164E #901B16 #905816
triadic
#901B16 #16901B #1B1690
tetradic
#901B16 #4E9016 #168B90 #581690
square
#901B16 #4E9016 #168B90 #581690
split-complementary
#901B16 #169058 #164E90
monochromatic
#260706 #5B110E #901B16 #C5251E #E2453F

Accessibility & contrast

On white

8.92
#901B16 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#901B16 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B16
8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##901B16#FFFFFF#000000##FFFFFF
##901B161.008.922.358.92
#FFFFFF8.921.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#413914
Deuteranopia (green-blind)
#5D530F
Tritanopia (blue-blind)
#9F001C
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #901b16;
/* rgb */ color: rgb(144, 27, 22);
/* oklch */ color: oklch(42.6% 0.153 28.3);
Tailwind
colors: {
  custom: {
    50: '#ba6354',
    500: '#901b16',
    950: '#000000',
  },
}
SCSS
$custom: #901b16;
$custom-light: #ba6354;
$custom-dark: #000000;
JSON
{
  "hex": "#901b16",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 22
  },
  "hsl": {
    "h": 2.459,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42587,
    "c": 0.15309,
    "h": 28.3
  },
  "luminance": 0.06771
}

Semantic roles & 50–950 ramp

primary
#901B16
secondary
#40BCC2
accent
#E9F038
background
#FCF6F4
surface
#F8EBE8
border
#D1C6C4
text
#130603
muted
#827A78

Preview Lab

Preview with #901B16

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

Preview Lab → · Contrast checker → · Palette generator →

#901B16 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva