#B63B56#B63B56

#B63B56 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.6% C 0.159 H 11.2°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B63B56
RGB	rgb(182, 59, 86)
HSL	hsl(347, 51%, 47%)
HSV	hsv(347, 68%, 71%)
CMYK	cmyk(0%, 67.6%, 52.7%, 28.6%)
CIE-LAB	lab(43.87, 51.42, 12.19)
CIE-LCH	lch(43.87, 52.84, 13.33°)
OKLab	oklab(53.63% 0.1557 0.0309)
OKLCH	oklch(53.63% 0.159 11.2)
XYZ	xyz(22.5370, 13.7479, 10.2691)
Luminance	0.1374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63B56 #3BB69B

analogous

#B63B94 #B63B56 #B65D3B

triadic

#B63B56 #56B63B #3B56B6

tetradic

#B63B56 #94B63B #3BB69B #5D3BB6

square

#B63B56 #94B63B #3BB69B #5D3BB6

split-complementary

#B63B56 #3BB65D #3B94B6

monochromatic

#5A1D2A #882C40 #B63B56 #CC6279 #DB90A1

Accessibility & contrast

On white

5.60

#B63B56 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B63B56 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63B56

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63B56	#FFFFFF	#000000	##FFFFFF
##B63B56	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585856

Deuteranopia (green-blind)

#787153

Tritanopia (blue-blind)

#C62446

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63b56;
/* rgb */ color: rgb(182, 59, 86);
/* oklch */ color: oklch(53.6% 0.159 11.2);

Tailwind

colors: {
  custom: {
    50: '#d27985',
    500: '#b63b56',
    950: '#000000',
  },
}

SCSS

$custom: #b63b56;
$custom-light: #d27985;
$custom-dark: #000000;

JSON

{
  "hex": "#b63b56",
  "rgb": {
    "r": 182,
    "g": 59,
    "b": 86
  },
  "hsl": {
    "h": 346.829,
    "s": 51.037,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53628,
    "c": 0.15872,
    "h": 11.2
  },
  "luminance": 0.13745
}

Semantic roles & 50–950 ramp

primary

#B63B56

secondary

#87C6B8

accent

#DBBC4D

background

#FDF7F8

surface

#FBEEEF

border

#D4C9CA

text

#15090B

muted

#837B7C

Preview Lab

Preview with #B63B56

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

Preview Lab → · Contrast checker → · Palette generator →