#B04731#B04731

#B04731 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.5% C 0.142 H 33.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#B04731
RGB	rgb(176, 71, 49)
HSL	hsl(10, 56%, 44%)
HSV	hsv(10, 72%, 69%)
CMYK	cmyk(0%, 59.7%, 72.2%, 31%)
CIE-LAB	lab(44.18, 41.51, 34.56)
CIE-LCH	lch(44.18, 54.01, 39.78°)
OKLab	oklab(53.45% 0.1186 0.0785)
OKLCH	oklch(53.45% 0.142 33.5)
XYZ	xyz(20.7142, 13.9611, 4.5091)
Luminance	0.1396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04731 #319AB0

analogous

#B0315B #B04731 #B08731

triadic

#B04731 #31B047 #4731B0

tetradic

#B04731 #5BB031 #319AB0 #8731B0

square

#B04731 #5BB031 #319AB0 #8731B0

split-complementary

#B04731 #31B087 #315BB0

monochromatic

#502016 #803424 #B04731 #CE6650 #DC9080

Accessibility & contrast

On white

5.54

#B04731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#B04731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04731

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04731	#FFFFFF	#000000	##FFFFFF
##B04731	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2E

Deuteranopia (green-blind)

#7D712E

Tritanopia (blue-blind)

#C13042

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b04731;
/* rgb */ color: rgb(176, 71, 49);
/* oklch */ color: oklch(53.5% 0.142 33.5);

Tailwind

colors: {
  custom: {
    50: '#cf7e6a',
    500: '#b04731',
    950: '#000000',
  },
}

SCSS

$custom: #b04731;
$custom-light: #cf7e6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b04731",
  "rgb": {
    "r": 176,
    "g": 71,
    "b": 49
  },
  "hsl": {
    "h": 10.394,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53453,
    "c": 0.14219,
    "h": 33.5
  },
  "luminance": 0.13958
}

Semantic roles & 50–950 ramp

primary

#B04731

secondary

#78B7C5

accent

#C5E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B04731

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

Preview Lab → · Contrast checker → · Palette generator →