#B63544#B63544

#B63544 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.165 H 18.5°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B63544
RGB	rgb(182, 53, 68)
HSL	hsl(353, 55%, 46%)
HSV	hsv(353, 71%, 71%)
CMYK	cmyk(0%, 70.9%, 62.6%, 28.6%)
CIE-LAB	lab(42.63, 52.46, 21.65)
CIE-LCH	lch(42.63, 56.75, 22.43°)
OKLab	oklab(52.58% 0.1561 0.0523)
OKLCH	oklch(52.58% 0.165 18.5)
XYZ	xyz(21.6101, 12.9117, 6.8220)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63544 #35B6A7

analogous

#B63584 #B63544 #B66635

triadic

#B63544 #44B635 #3544B6

tetradic

#B63544 #84B635 #35B6A7 #6635B6

square

#B63544 #84B635 #35B6A7 #6635B6

split-complementary

#B63544 #35B666 #3584B6

monochromatic

#571921 #872732 #B63544 #CF5967 #DD8993

Accessibility & contrast

On white

5.86

#B63544 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B63544 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63544

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63544	#FFFFFF	#000000	##FFFFFF
##B63544	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585344

Deuteranopia (green-blind)

#786F40

Tritanopia (blue-blind)

#C7103B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63544;
/* rgb */ color: rgb(182, 53, 68);
/* oklch */ color: oklch(52.6% 0.165 18.5);

Tailwind

colors: {
  custom: {
    50: '#d37577',
    500: '#b63544',
    950: '#000000',
  },
}

SCSS

$custom: #b63544;
$custom-light: #d37577;
$custom-dark: #000000;

JSON

{
  "hex": "#b63544",
  "rgb": {
    "r": 182,
    "g": 53,
    "b": 68
  },
  "hsl": {
    "h": 353.023,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52583,
    "c": 0.16461,
    "h": 18.5
  },
  "luminance": 0.12909
}

Semantic roles & 50–950 ramp

primary

#B63544

secondary

#80C7BE

accent

#DECD4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63544

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

Preview Lab → · Contrast checker → · Palette generator →