#B63F45#B63F45

#B63F45 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.7% C 0.154 H 21.1°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#B63F45
RGB	rgb(182, 63, 69)
HSL	hsl(357, 49%, 48%)
HSV	hsv(357, 65%, 71%)
CMYK	cmyk(0%, 65.4%, 62.1%, 28.6%)
CIE-LAB	lab(44.14, 48.46, 22.99)
CIE-LCH	lch(44.14, 53.64, 25.38°)
OKLab	oklab(53.71% 0.1436 0.0554)
OKLCH	oklch(53.71% 0.154 21.1)
XYZ	xyz(22.1452, 13.9328, 7.1522)
Luminance	0.1393 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F45 #3FB6B0

analogous

#B63F80 #B63F45 #B6743F

triadic

#B63F45 #45B63F #3F45B6

tetradic

#B63F45 #80B63F #3FB6B0 #743FB6

square

#B63F45 #80B63F #3FB6B0 #743FB6

split-complementary

#B63F45 #3FB674 #3F80B6

monochromatic

#5B2023 #892F34 #B63F45 #CB686D #DA9599

Accessibility & contrast

On white

5.55

#B63F45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#B63F45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F45

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F45	#FFFFFF	#000000	##FFFFFF
##B63F45	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5844

Deuteranopia (green-blind)

#7C7242

Tritanopia (blue-blind)

#C72542

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63f45;
/* rgb */ color: rgb(182, 63, 69);
/* oklch */ color: oklch(53.7% 0.154 21.1);

Tailwind

colors: {
  custom: {
    50: '#d27a78',
    500: '#b63f45',
    950: '#000000',
  },
}

SCSS

$custom: #b63f45;
$custom-light: #d27a78;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f45",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 356.975,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53714,
    "c": 0.15391,
    "h": 21.1
  },
  "luminance": 0.1393
}

Semantic roles & 50–950 ramp

primary

#B63F45

secondary

#8BC6C3

accent

#D8D150

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B63F45

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

Preview Lab → · Contrast checker → · Palette generator →