#B8363C#B8363C

#B8363C is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.166 H 22.5°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B8363C
RGB	rgb(184, 54, 60)
HSL	hsl(357, 55%, 47%)
HSV	hsv(357, 71%, 72%)
CMYK	cmyk(0%, 70.7%, 67.4%, 27.8%)
CIE-LAB	lab(43.00, 52.24, 27.08)
CIE-LCH	lch(43.00, 58.84, 27.40°)
OKLab	oklab(52.88% 0.1535 0.0636)
OKLCH	oklch(52.88% 0.166 22.5)
XYZ	xyz(21.9043, 13.1581, 5.6605)
Luminance	0.1316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8363C #36B8B2

analogous

#B8367D #B8363C #B87136

triadic

#B8363C #3CB836 #363CB8

tetradic

#B8363C #7DB836 #36B8B2 #7136B8

square

#B8363C #7DB836 #36B8B2 #7136B8

split-complementary

#B8363C #36B871 #367DB8

monochromatic

#591A1D #89282D #B8363C #CF5C61 #DD8B8F

Accessibility & contrast

On white

5.78

#B8363C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B8363C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8363C

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8363C	#FFFFFF	#000000	##FFFFFF
##B8363C	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543B

Deuteranopia (green-blind)

#7B7038

Tritanopia (blue-blind)

#CA0B39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b8363c;
/* rgb */ color: rgb(184, 54, 60);
/* oklch */ color: oklch(52.9% 0.166 22.5);

Tailwind

colors: {
  custom: {
    50: '#d57671',
    500: '#b8363c',
    950: '#000000',
  },
}

SCSS

$custom: #b8363c;
$custom-light: #d57671;
$custom-dark: #000000;

JSON

{
  "hex": "#b8363c",
  "rgb": {
    "r": 184,
    "g": 54,
    "b": 60
  },
  "hsl": {
    "h": 357.231,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52883,
    "c": 0.16618,
    "h": 22.5
  },
  "luminance": 0.13155
}

Semantic roles & 50–950 ramp

primary

#B8363C

secondary

#82C7C4

accent

#DED74A

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B8363C

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

Preview Lab → · Contrast checker → · Palette generator →