#B63C44#B63C44

#B63C44 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.157 H 20.6°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B63C44
RGB	rgb(182, 60, 68)
HSL	hsl(356, 50%, 47%)
HSV	hsv(356, 67%, 71%)
CMYK	cmyk(0%, 67%, 62.6%, 28.6%)
CIE-LAB	lab(43.65, 49.66, 22.97)
CIE-LCH	lch(43.65, 54.72, 24.82°)
OKLab	oklab(53.34% 0.1472 0.0553)
OKLCH	oklch(53.34% 0.157 20.6)
XYZ	xyz(21.9528, 13.5972, 6.9363)
Luminance	0.1359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C44 #3CB6AE

analogous

#B63C81 #B63C44 #B6713C

triadic

#B63C44 #44B63C #3C44B6

tetradic

#B63C44 #81B63C #3CB6AE #713CB6

square

#B63C44 #81B63C #3CB6AE #713CB6

split-complementary

#B63C44 #3CB671 #3C81B6

monochromatic

#5A1E22 #882D33 #B63C44 #CC636A #DB9196

Accessibility & contrast

On white

5.65

#B63C44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B63C44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C44

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C44	#FFFFFF	#000000	##FFFFFF
##B63C44	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5743

Deuteranopia (green-blind)

#7B7141

Tritanopia (blue-blind)

#C71F40

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63c44;
/* rgb */ color: rgb(182, 60, 68);
/* oklch */ color: oklch(53.3% 0.157 20.6);

Tailwind

colors: {
  custom: {
    50: '#d37977',
    500: '#b63c44',
    950: '#000000',
  },
}

SCSS

$custom: #b63c44;
$custom-light: #d37977;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c44",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 68
  },
  "hsl": {
    "h": 356.066,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53344,
    "c": 0.15725,
    "h": 20.6
  },
  "luminance": 0.13594
}

Semantic roles & 50–950 ramp

primary

#B63C44

secondary

#88C6C2

accent

#DAD14E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63C44

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

Preview Lab → · Contrast checker → · Palette generator →