#B8313D#B8313D

#B8313D is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.171 H 20.7°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B8313D
RGB	rgb(184, 49, 61)
HSL	hsl(355, 58%, 46%)
HSV	hsv(355, 73%, 72%)
CMYK	cmyk(0%, 73.4%, 66.8%, 27.8%)
CIE-LAB	lab(42.35, 54.14, 25.67)
CIE-LCH	lch(42.35, 59.91, 25.37°)
OKLab	oklab(52.4% 0.1598 0.0605)
OKLCH	oklch(52.4% 0.171 20.7)
XYZ	xyz(21.7101, 12.7271, 5.7274)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8313D #31B8AC

analogous

#B83180 #B8313D #B86931

triadic

#B8313D #3DB831 #313DB8

tetradic

#B8313D #80B831 #31B8AC #6931B8

square

#B8313D #80B831 #31B8AC #6931B8

split-complementary

#B8313D #31B869 #3180B8

monochromatic

#57171D #88242D #B8313D #D25560 #DE858D

Accessibility & contrast

On white

5.92

#B8313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B8313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8313D

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8313D	#FFFFFF	#000000	##FFFFFF
##B8313D	1.00	5.92	3.54	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523C

Deuteranopia (green-blind)

#796E39

Tritanopia (blue-blind)

#CA0037

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b8313d;
/* rgb */ color: rgb(184, 49, 61);
/* oklch */ color: oklch(52.4% 0.171 20.7);

Tailwind

colors: {
  custom: {
    50: '#d57372',
    500: '#b8313d',
    950: '#000000',
  },
}

SCSS

$custom: #b8313d;
$custom-light: #d57372;
$custom-dark: #000000;

JSON

{
  "hex": "#b8313d",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 354.667,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52403,
    "c": 0.17088,
    "h": 20.7
  },
  "luminance": 0.12724
}

Semantic roles & 50–950 ramp

primary

#B8313D

secondary

#7DC8C1

accent

#E1D347

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #B8313D

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

Preview Lab → · Contrast checker → · Palette generator →