#B63F41#B63F41

#B63F41 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.6% C 0.154 H 23.0°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#B63F41
RGB	rgb(182, 63, 65)
HSL	hsl(359, 49%, 48%)
HSV	hsv(359, 65%, 71%)
CMYK	cmyk(0%, 65.4%, 64.3%, 28.6%)
CIE-LAB	lab(44.07, 48.20, 25.32)
CIE-LCH	lch(44.07, 54.45, 27.71°)
OKLab	oklab(53.64% 0.142 0.0603)
OKLCH	oklch(53.64% 0.154 23)
XYZ	xyz(22.0252, 13.8848, 6.5202)
Luminance	0.1388 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F41 #3FB6B4

analogous

#B63F7C #B63F41 #B6793F

triadic

#B63F41 #41B63F #3F41B6

tetradic

#B63F41 #7CB63F #3FB6B4 #793FB6

square

#B63F41 #7CB63F #3FB6B4 #793FB6

split-complementary

#B63F41 #3FB679 #3F7CB6

monochromatic

#5B2021 #892F31 #B63F41 #CB6869 #DA9596

Accessibility & contrast

On white

5.56

#B63F41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B63F41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F41

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F41	#FFFFFF	#000000	##FFFFFF
##B63F41	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5840

Deuteranopia (green-blind)

#7C723E

Tritanopia (blue-blind)

#C72441

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63f41;
/* rgb */ color: rgb(182, 63, 65);
/* oklch */ color: oklch(53.6% 0.154 23.0);

Tailwind

colors: {
  custom: {
    50: '#d37a75',
    500: '#b63f41',
    950: '#000000',
  },
}

SCSS

$custom: #b63f41;
$custom-light: #d37a75;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f41",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 65
  },
  "hsl": {
    "h": 358.992,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5364,
    "c": 0.15428,
    "h": 23
  },
  "luminance": 0.13882
}

Semantic roles & 50–950 ramp

primary

#B63F41

secondary

#8BC6C5

accent

#D8D650

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B63F41

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

Preview Lab → · Contrast checker → · Palette generator →