#B32317#B32317

#B32317 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.181 H 29.7°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B32317
RGB	rgb(179, 35, 23)
HSL	hsl(5, 77%, 40%)
HSV	hsv(5, 87%, 70%)
CMYK	cmyk(0%, 80.4%, 87.2%, 29.8%)
CIE-LAB	lab(39.33, 55.65, 43.64)
CIE-LCH	lch(39.33, 70.72, 38.11°)
OKLab	oklab(49.84% 0.1574 0.0899)
OKLCH	oklch(49.84% 0.181 29.7)
XYZ	xyz(19.3485, 10.8508, 1.8861)
Luminance	0.1085 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B32317 #17A7B3

analogous

#B31759 #B32317 #B37117

triadic

#B32317 #17B323 #2317B3

tetradic

#B32317 #59B317 #17A7B3 #7117B3

square

#B32317 #59B317 #17A7B3 #7117B3

split-complementary

#B32317 #17B371 #1759B3

monochromatic

#470E09 #7D1810 #B32317 #E33324 #EA665B

Accessibility & contrast

On white

6.63

#B32317 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B32317 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32317

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B32317	#FFFFFF	#000000	##FFFFFF
##B32317	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524813

Deuteranopia (green-blind)

#75680C

Tritanopia (blue-blind)

#C60022

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b32317;
/* rgb */ color: rgb(179, 35, 23);
/* oklch */ color: oklch(49.8% 0.181 29.7);

Tailwind

colors: {
  custom: {
    50: '#d46c57',
    500: '#b32317',
    950: '#000000',
  },
}

SCSS

$custom: #b32317;
$custom-light: #d46c57;
$custom-dark: #000000;

JSON

{
  "hex": "#b32317",
  "rgb": {
    "r": 179,
    "g": 35,
    "b": 23
  },
  "hsl": {
    "h": 4.615,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4984,
    "c": 0.18122,
    "h": 29.7
  },
  "luminance": 0.10848
}

Semantic roles & 50–950 ramp

primary

#B32317

secondary

#58C4CD

accent

#E5F434

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B32317

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

Preview Lab → · Contrast checker → · Palette generator →