#B63A53#B63A53

#B63A53 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.160 H 12.5°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B63A53
RGB	rgb(182, 58, 83)
HSL	hsl(348, 52%, 47%)
HSV	hsv(348, 68%, 71%)
CMYK	cmyk(0%, 68.1%, 54.4%, 28.6%)
CIE-LAB	lab(43.65, 51.58, 13.74)
CIE-LCH	lch(43.65, 53.38, 14.92°)
OKLab	oklab(53.44% 0.1558 0.0346)
OKLCH	oklch(53.44% 0.16 12.5)
XYZ	xyz(22.3678, 13.5987, 9.6289)
Luminance	0.1360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A53 #3AB69D

analogous

#B63A91 #B63A53 #B65F3A

triadic

#B63A53 #53B63A #3A53B6

tetradic

#B63A53 #91B63A #3AB69D #5F3AB6

square

#B63A53 #91B63A #3AB69D #5F3AB6

split-complementary

#B63A53 #3AB65F #3A91B6

monochromatic

#591C29 #882B3E #B63A53 #CD6176 #DB8F9E

Accessibility & contrast

On white

5.65

#B63A53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B63A53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A53

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A53	#FFFFFF	#000000	##FFFFFF
##B63A53	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585753

Deuteranopia (green-blind)

#787050

Tritanopia (blue-blind)

#C72144

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63a53;
/* rgb */ color: rgb(182, 58, 83);
/* oklch */ color: oklch(53.4% 0.160 12.5);

Tailwind

colors: {
  custom: {
    50: '#d27883',
    500: '#b63a53',
    950: '#000000',
  },
}

SCSS

$custom: #b63a53;
$custom-light: #d27883;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a53",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 83
  },
  "hsl": {
    "h": 347.903,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53444,
    "c": 0.1596,
    "h": 12.5
  },
  "luminance": 0.13596
}

Semantic roles & 50–950 ramp

primary

#B63A53

secondary

#86C6B9

accent

#DBBE4D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63A53

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

Preview Lab → · Contrast checker → · Palette generator →