#B63343#B63343

#B63343 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.167 H 18.4°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B63343
RGB	rgb(182, 51, 67)
HSL	hsl(353, 56%, 46%)
HSV	hsv(353, 72%, 71%)
CMYK	cmyk(0%, 72%, 63.2%, 28.6%)
CIE-LAB	lab(42.34, 53.14, 21.89)
CIE-LCH	lch(42.34, 57.47, 22.39°)
OKLab	oklab(52.36% 0.1581 0.0527)
OKLCH	oklch(52.36% 0.167 18.4)
XYZ	xyz(21.4906, 12.7211, 6.6329)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63343 #33B6A6

analogous

#B63384 #B63343 #B66433

triadic

#B63343 #43B633 #3343B6

tetradic

#B63343 #84B633 #33B6A6 #6433B6

square

#B63343 #84B633 #33B6A6 #6433B6

split-complementary

#B63343 #33B664 #3384B6

monochromatic

#561820 #862631 #B63343 #D05665 #DD8691

Accessibility & contrast

On white

5.93

#B63343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B63343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63343

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63343	#FFFFFF	#000000	##FFFFFF
##B63343	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575243

Deuteranopia (green-blind)

#786E3F

Tritanopia (blue-blind)

#C8083A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b63343;
/* rgb */ color: rgb(182, 51, 67);
/* oklch */ color: oklch(52.4% 0.167 18.4);

Tailwind

colors: {
  custom: {
    50: '#d37477',
    500: '#b63343',
    950: '#000000',
  },
}

SCSS

$custom: #b63343;
$custom-light: #d37477;
$custom-dark: #000000;

JSON

{
  "hex": "#b63343",
  "rgb": {
    "r": 182,
    "g": 51,
    "b": 67
  },
  "hsl": {
    "h": 352.672,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52361,
    "c": 0.16666,
    "h": 18.4
  },
  "luminance": 0.12718
}

Semantic roles & 50–950 ramp

primary

#B63343

secondary

#7EC7BE

accent

#E0CD48

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63343

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

Preview Lab → · Contrast checker → · Palette generator →