#B63A4A#B63A4A

#B63A4A is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.159 H 17.1°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B63A4A
RGB	rgb(182, 58, 74)
HSL	hsl(352, 52%, 47%)
HSV	hsv(352, 68%, 71%)
CMYK	cmyk(0%, 68.1%, 59.3%, 28.6%)
CIE-LAB	lab(43.46, 50.90, 19.05)
CIE-LCH	lch(43.46, 54.34, 20.52°)
OKLab	oklab(53.24% 0.1522 0.0467)
OKLCH	oklch(53.24% 0.159 17.1)
XYZ	xyz(22.0426, 13.4686, 7.9162)
Luminance	0.1347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A4A #3AB6A6

analogous

#B63A88 #B63A4A #B6683A

triadic

#B63A4A #4AB63A #3A4AB6

tetradic

#B63A4A #88B63A #3AB6A6 #683AB6

square

#B63A4A #88B63A #3AB6A6 #683AB6

split-complementary

#B63A4A #3AB668 #3A88B6

monochromatic

#591C24 #882B37 #B63A4A #CD616F #DB8F99

Accessibility & contrast

On white

5.69

#B63A4A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B63A4A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A4A

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A4A	#FFFFFF	#000000	##FFFFFF
##B63A4A	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A564A

Deuteranopia (green-blind)

#797047

Tritanopia (blue-blind)

#C71E41

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63a4a;
/* rgb */ color: rgb(182, 58, 74);
/* oklch */ color: oklch(53.2% 0.159 17.1);

Tailwind

colors: {
  custom: {
    50: '#d2787c',
    500: '#b63a4a',
    950: '#000000',
  },
}

SCSS

$custom: #b63a4a;
$custom-light: #d2787c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a4a",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 74
  },
  "hsl": {
    "h": 352.258,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5324,
    "c": 0.15922,
    "h": 17.1
  },
  "luminance": 0.13466
}

Semantic roles & 50–950 ramp

primary

#B63A4A

secondary

#86C6BE

accent

#DBC94D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B63A4A

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

Preview Lab → · Contrast checker → · Palette generator →