#B63C38#B63C38

#B63C38 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.159 H 26.0°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B63C38
RGB	rgb(182, 60, 56)
HSL	hsl(2, 53%, 47%)
HSV	hsv(2, 69%, 71%)
CMYK	cmyk(0%, 67%, 69.2%, 28.6%)
CIE-LAB	lab(43.46, 48.96, 29.94)
CIE-LCH	lch(43.46, 57.39, 31.45°)
OKLab	oklab(53.14% 0.1426 0.0694)
OKLCH	oklch(53.14% 0.159 26)
XYZ	xyz(21.6234, 13.4654, 5.2011)
Luminance	0.1346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C38 #38B2B6

analogous

#B63873 #B63C38 #B67B38

triadic

#B63C38 #38B63C #3C38B6

tetradic

#B63C38 #73B638 #38B2B6 #7B38B6

square

#B63C38 #73B638 #38B2B6 #7B38B6

split-complementary

#B63C38 #38B67B #3873B6

monochromatic

#581D1B #872D2A #B63C38 #CD615E #DC8F8D

Accessibility & contrast

On white

5.69

#B63C38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B63C38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C38

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C38	#FFFFFF	#000000	##FFFFFF
##B63C38	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5637

Deuteranopia (green-blind)

#7C7034

Tritanopia (blue-blind)

#C81B3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63c38;
/* rgb */ color: rgb(182, 60, 56);
/* oklch */ color: oklch(53.1% 0.159 26.0);

Tailwind

colors: {
  custom: {
    50: '#d3796f',
    500: '#b63c38',
    950: '#000000',
  },
}

SCSS

$custom: #b63c38;
$custom-light: #d3796f;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c38",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 56
  },
  "hsl": {
    "h": 1.905,
    "s": 52.941,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53137,
    "c": 0.15857,
    "h": 26
  },
  "luminance": 0.13462
}

Semantic roles & 50–950 ramp

primary

#B63C38

secondary

#84C4C6

accent

#D8DC4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63C38

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

Preview Lab → · Contrast checker → · Palette generator →