#B63A4D#B63A4D

#B63A4D is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.159 H 15.6°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B63A4D
RGB	rgb(182, 58, 77)
HSL	hsl(351, 52%, 47%)
HSV	hsv(351, 68%, 71%)
CMYK	cmyk(0%, 68.1%, 57.7%, 28.6%)
CIE-LAB	lab(43.52, 51.11, 17.28)
CIE-LCH	lch(43.52, 53.95, 18.68°)
OKLab	oklab(53.31% 0.1534 0.0427)
OKLCH	oklch(53.31% 0.159 15.6)
XYZ	xyz(22.1461, 13.5100, 8.4613)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A4D #3AB6A3

analogous

#B63A8B #B63A4D #B6653A

triadic

#B63A4D #4DB63A #3A4DB6

tetradic

#B63A4D #8BB63A #3AB6A3 #653AB6

square

#B63A4D #8BB63A #3AB6A3 #653AB6

split-complementary

#B63A4D #3AB665 #3A8BB6

monochromatic

#591C26 #882B39 #B63A4D #CD6171 #DB8F9B

Accessibility & contrast

On white

5.67

#B63A4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B63A4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A4D

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A4D	#FFFFFF	#000000	##FFFFFF
##B63A4D	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59574D

Deuteranopia (green-blind)

#79704A

Tritanopia (blue-blind)

#C71F42

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63a4d;
/* rgb */ color: rgb(182, 58, 77);
/* oklch */ color: oklch(53.3% 0.159 15.6);

Tailwind

colors: {
  custom: {
    50: '#d2787e',
    500: '#b63a4d',
    950: '#000000',
  },
}

SCSS

$custom: #b63a4d;
$custom-light: #d2787e;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a4d",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 350.806,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53305,
    "c": 0.15926,
    "h": 15.6
  },
  "luminance": 0.13507
}

Semantic roles & 50–950 ramp

primary

#B63A4D

secondary

#86C6BC

accent

#DBC54D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63A4D

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

Preview Lab → · Contrast checker → · Palette generator →