#B63751#B63751

#B63751 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.1% C 0.163 H 12.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B63751
RGB	rgb(182, 55, 81)
HSL	hsl(348, 54%, 46%)
HSV	hsv(348, 70%, 71%)
CMYK	cmyk(0%, 69.8%, 55.5%, 28.6%)
CIE-LAB	lab(43.17, 52.61, 14.33)
CIE-LCH	lch(43.17, 54.52, 15.24°)
OKLab	oklab(53.07% 0.1588 0.0359)
OKLCH	oklch(53.07% 0.163 12.7)
XYZ	xyz(22.1448, 13.2746, 9.1791)
Luminance	0.1327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63751 #37B69C

analogous

#B63791 #B63751 #B65D37

triadic

#B63751 #51B637 #3751B6

tetradic

#B63751 #91B637 #37B69C #5D37B6

square

#B63751 #91B637 #37B69C #5D37B6

split-complementary

#B63751 #37B65D #3791B6

monochromatic

#581B27 #87293C #B63751 #CE5C74 #DC8B9C

Accessibility & contrast

On white

5.75

#B63751 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B63751 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63751

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63751	#FFFFFF	#000000	##FFFFFF
##B63751	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575551

Deuteranopia (green-blind)

#77704E

Tritanopia (blue-blind)

#C71B41

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63751;
/* rgb */ color: rgb(182, 55, 81);
/* oklch */ color: oklch(53.1% 0.163 12.7);

Tailwind

colors: {
  custom: {
    50: '#d27781',
    500: '#b63751',
    950: '#000000',
  },
}

SCSS

$custom: #b63751;
$custom-light: #d27781;
$custom-dark: #000000;

JSON

{
  "hex": "#b63751",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 347.717,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53074,
    "c": 0.16282,
    "h": 12.7
  },
  "luminance": 0.13272
}

Semantic roles & 50–950 ramp

primary

#B63751

secondary

#82C6B8

accent

#DDBF4B

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63751

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

Preview Lab → · Contrast checker → · Palette generator →