#8B1B33#8B1B33

#8B1B33 is a dark, vivid red. Relative luminance 0.065; OKLCH L 42.1% C 0.146 H 14.7°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX#8B1B33
RGBrgb(139, 27, 51)
HSLhsl(347, 67%, 33%)
HSVhsv(347, 81%, 55%)
CMYKcmyk(0%, 80.6%, 63.3%, 45.5%)
CIE-LABlab(30.67, 47.11, 15.25)
CIE-LCHlch(30.67, 49.52, 17.94°)
OKLaboklab(42.09% 0.1413 0.0372)
OKLCHoklch(42.09% 0.146 14.7)
XYZxyz(11.6382, 6.5136, 3.7758)
Luminance0.0651 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#8B1B33 #1B8B73
analogous
#8B1B6B #8B1B33 #8B3B1B
triadic
#8B1B33 #338B1B #1B338B
tetradic
#8B1B33 #6B8B1B #1B8B73 #3B1B8B
square
#8B1B33 #6B8B1B #1B8B73 #3B1B8B
split-complementary
#8B1B33 #1B8B3B #1B6B8B
monochromatic
#25070D #581120 #8B1B33 #BE2546 #DB4565

Accessibility & contrast

On white

9.12
#8B1B33 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#8B1B33 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B1B33
9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##8B1B33#FFFFFF#000000##FFFFFF
##8B1B331.009.122.309.12
#FFFFFF9.121.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B3933
Deuteranopia (green-blind)
#585130
Tritanopia (blue-blind)
#990025
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #8b1b33;
/* rgb */ color: rgb(139, 27, 51);
/* oklch */ color: oklch(42.1% 0.146 14.7);
Tailwind
colors: {
  custom: {
    50: '#b4636a',
    500: '#8b1b33',
    950: '#000000',
  },
}
SCSS
$custom: #8b1b33;
$custom-light: #b4636a;
$custom-dark: #000000;
JSON
{
  "hex": "#8b1b33",
  "rgb": {
    "r": 139,
    "g": 27,
    "b": 51
  },
  "hsl": {
    "h": 347.143,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42086,
    "c": 0.14614,
    "h": 14.7
  },
  "luminance": 0.06512
}

Semantic roles & 50–950 ramp

primary
#8B1B33
secondary
#45BCA3
accent
#EAC53D
background
#FBF6F6
surface
#F7EBEB
border
#D0C6C6
text
#120606
muted
#817A7A

Preview Lab

Preview with #8B1B33

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

Preview Lab → · Contrast checker → · Palette generator →

#8B1B33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva