#B63C45#B63C45

#B63C45 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.157 H 20.1°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B63C45
RGB	rgb(182, 60, 69)
HSL	hsl(356, 50%, 47%)
HSV	hsv(356, 67%, 71%)
CMYK	cmyk(0%, 67%, 62.1%, 28.6%)
CIE-LAB	lab(43.67, 49.73, 22.38)
CIE-LCH	lch(43.67, 54.53, 24.23°)
OKLab	oklab(53.36% 0.1476 0.054)
OKLCH	oklch(53.36% 0.157 20.1)
XYZ	xyz(21.9836, 13.6095, 7.0984)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C45 #3CB6AD

analogous

#B63C82 #B63C45 #B6703C

triadic

#B63C45 #45B63C #3C45B6

tetradic

#B63C45 #82B63C #3CB6AD #703CB6

square

#B63C45 #82B63C #3CB6AD #703CB6

split-complementary

#B63C45 #3CB670 #3C82B6

monochromatic

#5A1E22 #882D34 #B63C45 #CC636B #DB9197

Accessibility & contrast

On white

5.64

#B63C45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B63C45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C45

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C45	#FFFFFF	#000000	##FFFFFF
##B63C45	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5744

Deuteranopia (green-blind)

#7B7142

Tritanopia (blue-blind)

#C72040

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63c45;
/* rgb */ color: rgb(182, 60, 69);
/* oklch */ color: oklch(53.4% 0.157 20.1);

Tailwind

colors: {
  custom: {
    50: '#d27978',
    500: '#b63c45',
    950: '#000000',
  },
}

SCSS

$custom: #b63c45;
$custom-light: #d27978;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c45",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 69
  },
  "hsl": {
    "h": 355.574,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53363,
    "c": 0.15719,
    "h": 20.1
  },
  "luminance": 0.13606
}

Semantic roles & 50–950 ramp

primary

#B63C45

secondary

#88C6C1

accent

#DAD04E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B63C45

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

Preview Lab → · Contrast checker → · Palette generator →