#B3291D#B3291D

#B3291D is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.176 H 29.6°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#B3291D
RGBrgb(179, 41, 29)
HSLhsl(5, 72%, 41%)
HSVhsv(5, 84%, 70%)
CMYKcmyk(0%, 77.1%, 83.8%, 29.8%)
CIE-LABlab(40.02, 53.98, 41.27)
CIE-LCHlch(40.02, 67.95, 37.40°)
OKLaboklab(50.37% 0.1532 0.0871)
OKLCHoklch(50.37% 0.176 29.6)
XYZxyz(19.6075, 11.2614, 2.3034)
Luminance0.1126 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3291D #1DA7B3
analogous
#B31D5C #B3291D #B3741D
triadic
#B3291D #1DB329 #291DB3
tetradic
#B3291D #5CB31D #1DA7B3 #741DB3
square
#B3291D #5CB31D #1DA7B3 #741DB3
split-complementary
#B3291D #1DB374 #1D5CB3
monochromatic
#4A110C #7E1D14 #B3291D #DD3E30 #E66F64

Accessibility & contrast

On white

6.46
#B3291D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.25
#B3291D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3291D
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3291D#FFFFFF#000000##FFFFFF
##B3291D1.006.463.256.46
#FFFFFF6.461.0021.001.00
#0000003.2521.001.0021.00
##FFFFFF6.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544B1A
Deuteranopia (green-blind)
#766915
Tritanopia (blue-blind)
#C60028
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #b3291d;
/* rgb */ color: rgb(179, 41, 29);
/* oklch */ color: oklch(50.4% 0.176 29.6);
Tailwind
colors: {
  custom: {
    50: '#d36f5b',
    500: '#b3291d',
    950: '#000000',
  },
}
SCSS
$custom: #b3291d;
$custom-light: #d36f5b;
$custom-dark: #000000;
JSON
{
  "hex": "#b3291d",
  "rgb": {
    "r": 179,
    "g": 41,
    "b": 29
  },
  "hsl": {
    "h": 4.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50367,
    "c": 0.17623,
    "h": 29.6
  },
  "luminance": 0.11258
}

Semantic roles & 50–950 ramp

primary
#B3291D
secondary
#61C2CB
accent
#E0EF39
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #B3291D

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

Preview Lab → · Contrast checker → · Palette generator →

#B3291D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva