#B34731#B34731

#B34731 is a mid, vivid red. Relative luminance 0.143; OKLCH L 53.9% C 0.146 H 33.3°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#B34731
RGB	rgb(179, 71, 49)
HSL	hsl(10, 57%, 45%)
HSV	hsv(10, 73%, 70%)
CMYK	cmyk(0%, 60.3%, 72.6%, 29.8%)
CIE-LAB	lab(44.68, 42.62, 35.26)
CIE-LCH	lch(44.68, 55.32, 39.60°)
OKLab	oklab(53.93% 0.1217 0.0799)
OKLCH	oklch(53.93% 0.146 33.3)
XYZ	xyz(21.4002, 14.3148, 4.5413)
Luminance	0.1431 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B34731 #319DB3

analogous

#B3315C #B34731 #B38831

triadic

#B34731 #31B347 #4731B3

tetradic

#B34731 #5CB331 #319DB3 #8831B3

square

#B34731 #5CB331 #319DB3 #8831B3

split-complementary

#B34731 #31B388 #315CB3

monochromatic

#532117 #833424 #B34731 #D06752 #DD9182

Accessibility & contrast

On white

5.44

#B34731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#B34731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B34731

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B34731	#FFFFFF	#000000	##FFFFFF
##B34731	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B2E

Deuteranopia (green-blind)

#7F732E

Tritanopia (blue-blind)

#C52E42

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b34731;
/* rgb */ color: rgb(179, 71, 49);
/* oklch */ color: oklch(53.9% 0.146 33.3);

Tailwind

colors: {
  custom: {
    50: '#d17e6a',
    500: '#b34731',
    950: '#000000',
  },
}

SCSS

$custom: #b34731;
$custom-light: #d17e6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b34731",
  "rgb": {
    "r": 179,
    "g": 71,
    "b": 49
  },
  "hsl": {
    "h": 10.154,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5393,
    "c": 0.14557,
    "h": 33.3
  },
  "luminance": 0.14312
}

Semantic roles & 50–950 ramp

primary

#B34731

secondary

#7AB9C6

accent

#C6E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B34731

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

Preview Lab → · Contrast checker → · Palette generator →