#B74B31#B74B31

#B74B31 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.1% C 0.146 H 34.8°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#B74B31
RGB	rgb(183, 75, 49)
HSL	hsl(12, 58%, 45%)
HSV	hsv(12, 73%, 72%)
CMYK	cmyk(0%, 59%, 73.2%, 28.2%)
CIE-LAB	lab(46.08, 42.20, 37.00)
CIE-LCH	lch(46.08, 56.13, 41.25°)
OKLab	oklab(55.11% 0.12 0.0834)
OKLCH	oklch(55.11% 0.146 34.8)
XYZ	xyz(22.6012, 15.3242, 4.6729)
Luminance	0.1532 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74B31 #319DB7

analogous

#B7315A #B74B31 #B78E31

triadic

#B74B31 #31B74B #4B31B7

tetradic

#B74B31 #5AB731 #319DB7 #8E31B7

square

#B74B31 #5AB731 #319DB7 #8E31B7

split-complementary

#B74B31 #31B78E #315AB7

monochromatic

#562317 #873724 #B74B31 #D16C54 #DE9684

Accessibility & contrast

On white

5.17

#B74B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#B74B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74B31

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74B31	#FFFFFF	#000000	##FFFFFF
##B74B31	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695E2E

Deuteranopia (green-blind)

#83762E

Tritanopia (blue-blind)

#C93345

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b74b31;
/* rgb */ color: rgb(183, 75, 49);
/* oklch */ color: oklch(55.1% 0.146 34.8);

Tailwind

colors: {
  custom: {
    50: '#d4816a',
    500: '#b74b31',
    950: '#000000',
  },
}

SCSS

$custom: #b74b31;
$custom-light: #d4816a;
$custom-dark: #000000;

JSON

{
  "hex": "#b74b31",
  "rgb": {
    "r": 183,
    "g": 75,
    "b": 49
  },
  "hsl": {
    "h": 11.642,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55113,
    "c": 0.14612,
    "h": 34.8
  },
  "luminance": 0.15321
}

Semantic roles & 50–950 ramp

primary

#B74B31

secondary

#7CB9C8

accent

#C3E147

background

#FEF8F6

surface

#FCEFEB

border

#D5CAC6

text

#160B06

muted

#847C7A

Preview Lab

Preview with #B74B31

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

Preview Lab → · Contrast checker → · Palette generator →