#B8363F#B8363F

#B8363F is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.166 H 21.2°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B8363F
RGB	rgb(184, 54, 63)
HSL	hsl(356, 55%, 47%)
HSV	hsv(356, 71%, 72%)
CMYK	cmyk(0%, 70.7%, 65.8%, 27.8%)
CIE-LAB	lab(43.05, 52.41, 25.32)
CIE-LCH	lch(43.05, 58.20, 25.79°)
OKLab	oklab(52.94% 0.1547 0.06)
OKLCH	oklch(52.94% 0.166 21.2)
XYZ	xyz(21.9858, 13.1908, 6.0900)
Luminance	0.1319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8363F #36B8AF

analogous

#B83680 #B8363F #B86E36

triadic

#B8363F #3FB836 #363FB8

tetradic

#B8363F #80B836 #36B8AF #6E36B8

square

#B8363F #80B836 #36B8AF #6E36B8

split-complementary

#B8363F #36B86E #3680B8

monochromatic

#591A1F #89282F #B8363F #CF5C64 #DD8B91

Accessibility & contrast

On white

5.77

#B8363F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B8363F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8363F

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8363F	#FFFFFF	#000000	##FFFFFF
##B8363F	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543E

Deuteranopia (green-blind)

#7B703B

Tritanopia (blue-blind)

#CA0D3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b8363f;
/* rgb */ color: rgb(184, 54, 63);
/* oklch */ color: oklch(52.9% 0.166 21.2);

Tailwind

colors: {
  custom: {
    50: '#d57674',
    500: '#b8363f',
    950: '#000000',
  },
}

SCSS

$custom: #b8363f;
$custom-light: #d57674;
$custom-dark: #000000;

JSON

{
  "hex": "#b8363f",
  "rgb": {
    "r": 184,
    "g": 54,
    "b": 63
  },
  "hsl": {
    "h": 355.846,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52935,
    "c": 0.16593,
    "h": 21.2
  },
  "luminance": 0.13188
}

Semantic roles & 50–950 ramp

primary

#B8363F

secondary

#82C7C3

accent

#DED44A

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B8363F

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

Preview Lab → · Contrast checker → · Palette generator →