#B63647#B63647

#B63647 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.164 H 17.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B63647
RGB	rgb(182, 54, 71)
HSL	hsl(352, 54%, 46%)
HSV	hsv(352, 70%, 71%)
CMYK	cmyk(0%, 70.3%, 61%, 28.6%)
CIE-LAB	lab(42.83, 52.27, 20.06)
CIE-LCH	lch(42.83, 55.99, 20.99°)
OKLab	oklab(52.75% 0.1561 0.0488)
OKLCH	oklch(52.75% 0.164 17.4)
XYZ	xyz(21.7501, 13.0414, 7.3320)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63647 #36B6A5

analogous

#B63687 #B63647 #B66536

triadic

#B63647 #47B636 #3647B6

tetradic

#B63647 #87B636 #36B6A5 #6536B6

square

#B63647 #87B636 #36B6A5 #6536B6

split-complementary

#B63647 #36B665 #3687B6

monochromatic

#581A22 #872835 #B63647 #CE5B6A #DC8A95

Accessibility & contrast

On white

5.82

#B63647 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B63647 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63647

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63647	#FFFFFF	#000000	##FFFFFF
##B63647	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)

#585447

Deuteranopia (green-blind)

#786F44

Tritanopia (blue-blind)

#C7143D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63647;
/* rgb */ color: rgb(182, 54, 71);
/* oklch */ color: oklch(52.7% 0.164 17.4);

Tailwind

colors: {
  custom: {
    50: '#d3767a',
    500: '#b63647',
    950: '#000000',
  },
}

SCSS

$custom: #b63647;
$custom-light: #d3767a;
$custom-dark: #000000;

JSON

{
  "hex": "#b63647",
  "rgb": {
    "r": 182,
    "g": 54,
    "b": 71
  },
  "hsl": {
    "h": 352.031,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52747,
    "c": 0.16353,
    "h": 17.4
  },
  "luminance": 0.13038
}

Semantic roles & 50–950 ramp

primary

#B63647

secondary

#81C6BD

accent

#DECA4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B63647

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

Preview Lab → · Contrast checker → · Palette generator →