#B64431#B64431

#B64431 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.0% C 0.152 H 31.8°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#B64431
RGBrgb(182, 68, 49)
HSLhsl(9, 58%, 45%)
HSVhsv(9, 73%, 71%)
CMYKcmyk(0%, 62.6%, 73.1%, 28.6%)
CIE-LABlab(44.67, 45.11, 35.39)
CIE-LCHlch(44.67, 57.33, 38.11°)
OKLaboklab(54.02% 0.1291 0.08)
OKLCHoklch(54.02% 0.152 31.8)
XYZxyz(21.9152, 14.3041, 4.5121)
Luminance0.1430 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B64431 #31A3B6
analogous
#B63161 #B64431 #B68631
triadic
#B64431 #31B644 #4431B6
tetradic
#B64431 #61B631 #31A3B6 #8631B6
square
#B64431 #61B631 #31A3B6 #8631B6
split-complementary
#B64431 #31B686 #3161B6
monochromatic
#562017 #863224 #B64431 #D16553 #DE9084

Accessibility & contrast

On white

5.44
#B64431 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#B64431 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64431
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B64431#FFFFFF#000000##FFFFFF
##B644311.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635A2E
Deuteranopia (green-blind)
#80732D
Tritanopia (blue-blind)
#C82840
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #b64431;
/* rgb */ color: rgb(182, 68, 49);
/* oklch */ color: oklch(54.0% 0.152 31.8);
Tailwind
colors: {
  custom: {
    50: '#d37d6a',
    500: '#b64431',
    950: '#000000',
  },
}
SCSS
$custom: #b64431;
$custom-light: #d37d6a;
$custom-dark: #000000;
JSON
{
  "hex": "#b64431",
  "rgb": {
    "r": 182,
    "g": 68,
    "b": 49
  },
  "hsl": {
    "h": 8.571,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.54017,
    "c": 0.15187,
    "h": 31.8
  },
  "luminance": 0.14301
}

Semantic roles & 50–950 ramp

primary
#B64431
secondary
#7CBCC7
accent
#CBE147
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A

Preview Lab

Preview with #B64431

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

Preview Lab → · Contrast checker → · Palette generator →

#B64431 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva