#B63543#B63543

#B63543 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.165 H 19.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B63543
RGB	rgb(182, 53, 67)
HSL	hsl(353, 55%, 46%)
HSV	hsv(353, 71%, 71%)
CMYK	cmyk(0%, 70.9%, 63.2%, 28.6%)
CIE-LAB	lab(42.61, 52.39, 22.24)
CIE-LCH	lch(42.61, 56.92, 23.00°)
OKLab	oklab(52.56% 0.1557 0.0535)
OKLCH	oklch(52.56% 0.165 19)
XYZ	xyz(21.5798, 12.8996, 6.6627)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63543 #35B6A8

analogous

#B63583 #B63543 #B66735

triadic

#B63543 #43B635 #3543B6

tetradic

#B63543 #83B635 #35B6A8 #6735B6

square

#B63543 #83B635 #35B6A8 #6735B6

split-complementary

#B63543 #35B667 #3583B6

monochromatic

#571920 #872732 #B63543 #CF5966 #DD8992

Accessibility & contrast

On white

5.87

#B63543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B63543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63543

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63543	#FFFFFF	#000000	##FFFFFF
##B63543	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585343

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#C80F3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63543;
/* rgb */ color: rgb(182, 53, 67);
/* oklch */ color: oklch(52.6% 0.165 19.0);

Tailwind

colors: {
  custom: {
    50: '#d37577',
    500: '#b63543',
    950: '#000000',
  },
}

SCSS

$custom: #b63543;
$custom-light: #d37577;
$custom-dark: #000000;

JSON

{
  "hex": "#b63543",
  "rgb": {
    "r": 182,
    "g": 53,
    "b": 67
  },
  "hsl": {
    "h": 353.488,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52564,
    "c": 0.16465,
    "h": 19
  },
  "luminance": 0.12897
}

Semantic roles & 50–950 ramp

primary

#B63543

secondary

#80C7BF

accent

#DECE4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63543

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

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