#B74731#B74731

#B74731 is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.6% C 0.150 H 33.0°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX#B74731
RGBrgb(183, 71, 49)
HSLhsl(10, 58%, 45%)
HSVhsv(10, 73%, 72%)
CMYKcmyk(0%, 61.2%, 73.2%, 28.2%)
CIE-LABlab(45.36, 44.09, 36.21)
CIE-LCHlch(45.36, 57.05, 39.39°)
OKLaboklab(54.57% 0.1258 0.0817)
OKLCHoklch(54.57% 0.15 33)
XYZxyz(22.3384, 14.7986, 4.5853)
Luminance0.1480 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B74731 #31A1B7
analogous
#B7315E #B74731 #B78A31
triadic
#B74731 #31B747 #4731B7
tetradic
#B74731 #5EB731 #31A1B7 #8A31B7
square
#B74731 #5EB731 #31A1B7 #8A31B7
split-complementary
#B74731 #31B78A #315EB7
monochromatic
#562217 #873424 #B74731 #D16954 #DE9384

Accessibility & contrast

On white

5.30
#B74731 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.96
#B74731 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74731
5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B74731#FFFFFF#000000##FFFFFF
##B747311.005.303.965.30
#FFFFFF5.301.0021.001.00
#0000003.9621.001.0021.00
##FFFFFF5.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#665C2E
Deuteranopia (green-blind)
#81752E
Tritanopia (blue-blind)
#C92D42
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #b74731;
/* rgb */ color: rgb(183, 71, 49);
/* oklch */ color: oklch(54.6% 0.150 33.0);
Tailwind
colors: {
  custom: {
    50: '#d47f6a',
    500: '#b74731',
    950: '#000000',
  },
}
SCSS
$custom: #b74731;
$custom-light: #d47f6a;
$custom-dark: #000000;
JSON
{
  "hex": "#b74731",
  "rgb": {
    "r": 183,
    "g": 71,
    "b": 49
  },
  "hsl": {
    "h": 9.851,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5457,
    "c": 0.15002,
    "h": 33
  },
  "luminance": 0.14796
}

Semantic roles & 50–950 ramp

primary
#B74731
secondary
#7CBBC8
accent
#C8E147
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A

Preview Lab

Preview with #B74731

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

Preview Lab → · Contrast checker → · Palette generator →

#B74731 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva