#B63744#B63744

#B63744 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.163 H 19.1°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B63744
RGB	rgb(182, 55, 68)
HSL	hsl(354, 54%, 46%)
HSV	hsv(354, 70%, 71%)
CMYK	cmyk(0%, 69.8%, 62.6%, 28.6%)
CIE-LAB	lab(42.91, 51.68, 22.01)
CIE-LCH	lch(42.91, 56.18, 23.07°)
OKLab	oklab(52.79% 0.1536 0.0531)
OKLCH	oklch(52.79% 0.163 19.1)
XYZ	xyz(21.7032, 13.0979, 6.8530)
Luminance	0.1310 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63744 #37B6A9

analogous

#B63784 #B63744 #B66A37

triadic

#B63744 #44B637 #3744B6

tetradic

#B63744 #84B637 #37B6A9 #6A37B6

square

#B63744 #84B637 #37B6A9 #6A37B6

split-complementary

#B63744 #37B66A #3784B6

monochromatic

#581B21 #872932 #B63744 #CE5C68 #DC8B94

Accessibility & contrast

On white

5.80

#B63744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B63744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63744

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63744	#FFFFFF	#000000	##FFFFFF
##B63744	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595444

Deuteranopia (green-blind)

#796F41

Tritanopia (blue-blind)

#C7153D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63744;
/* rgb */ color: rgb(182, 55, 68);
/* oklch */ color: oklch(52.8% 0.163 19.1);

Tailwind

colors: {
  custom: {
    50: '#d37677',
    500: '#b63744',
    950: '#000000',
  },
}

SCSS

$custom: #b63744;
$custom-light: #d37677;
$custom-dark: #000000;

JSON

{
  "hex": "#b63744",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 353.858,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52792,
    "c": 0.16255,
    "h": 19.1
  },
  "luminance": 0.13095
}

Semantic roles & 50–950 ramp

primary

#B63744

secondary

#82C6BF

accent

#DDCE4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63744

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

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