#B63836#B63836

#B63836 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.163 H 25.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B63836
RGB	rgb(182, 56, 54)
HSL	hsl(1, 54%, 46%)
HSV	hsv(1, 70%, 71%)
CMYK	cmyk(0%, 69.2%, 70.3%, 28.6%)
CIE-LAB	lab(42.83, 50.49, 30.38)
CIE-LCH	lch(42.83, 58.92, 31.04°)
OKLab	oklab(52.66% 0.147 0.07)
OKLCH	oklch(52.66% 0.163 25.5)
XYZ	xyz(21.3737, 13.0429, 4.8814)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63836 #36B4B6

analogous

#B63674 #B63836 #B67836

triadic

#B63836 #36B638 #3836B6

tetradic

#B63836 #74B636 #36B4B6 #7836B6

square

#B63836 #74B636 #36B4B6 #7836B6

split-complementary

#B63836 #36B678 #3674B6

monochromatic

#581B1A #872928 #B63836 #CE5D5B #DC8B8A

Accessibility & contrast

On white

5.82

#B63836 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B63836 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63836

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63836	#FFFFFF	#000000	##FFFFFF
##B63836	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5435

Deuteranopia (green-blind)

#7B6F32

Tritanopia (blue-blind)

#C81139

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63836;
/* rgb */ color: rgb(182, 56, 54);
/* oklch */ color: oklch(52.7% 0.163 25.5);

Tailwind

colors: {
  custom: {
    50: '#d4766d',
    500: '#b63836',
    950: '#000000',
  },
}

SCSS

$custom: #b63836;
$custom-light: #d4766d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63836",
  "rgb": {
    "r": 182,
    "g": 56,
    "b": 54
  },
  "hsl": {
    "h": 0.938,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52657,
    "c": 0.16281,
    "h": 25.5
  },
  "luminance": 0.1304
}

Semantic roles & 50–950 ramp

primary

#B63836

secondary

#81C5C6

accent

#DBDE4A

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63836

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

Preview Lab → · Contrast checker → · Palette generator →