#B63C4E#B63C4E

#B63C4E is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.6% C 0.157 H 15.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B63C4E
RGB	rgb(182, 60, 78)
HSL	hsl(351, 50%, 47%)
HSV	hsv(351, 67%, 71%)
CMYK	cmyk(0%, 67%, 57.1%, 28.6%)
CIE-LAB	lab(43.84, 50.37, 17.09)
CIE-LCH	lch(43.84, 53.19, 18.74°)
OKLab	oklab(53.55% 0.1512 0.0424)
OKLCH	oklch(53.55% 0.157 15.7)
XYZ	xyz(22.2845, 13.7299, 8.6829)
Luminance	0.1373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C4E #3CB6A4

analogous

#B63C8B #B63C4E #B6673C

triadic

#B63C4E #4EB63C #3C4EB6

tetradic

#B63C4E #8BB63C #3CB6A4 #673CB6

square

#B63C4E #8BB63C #3CB6A4 #673CB6

split-complementary

#B63C4E #3CB667 #3C8BB6

monochromatic

#5A1E27 #882D3A #B63C4E #CC6373 #DB919C

Accessibility & contrast

On white

5.61

#B63C4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B63C4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C4E

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C4E	#FFFFFF	#000000	##FFFFFF
##B63C4E	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A584E

Deuteranopia (green-blind)

#7A714B

Tritanopia (blue-blind)

#C72343

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63c4e;
/* rgb */ color: rgb(182, 60, 78);
/* oklch */ color: oklch(53.6% 0.157 15.7);

Tailwind

colors: {
  custom: {
    50: '#d2797f',
    500: '#b63c4e',
    950: '#000000',
  },
}

SCSS

$custom: #b63c4e;
$custom-light: #d2797f;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c4e",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 351.148,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53551,
    "c": 0.15702,
    "h": 15.7
  },
  "luminance": 0.13727
}

Semantic roles & 50–950 ramp

primary

#B63C4E

secondary

#88C6BD

accent

#DAC54E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B63C4E

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

Preview Lab → · Contrast checker → · Palette generator →