#B63B54#B63B54

#B63B54 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.6% C 0.159 H 12.3°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B63B54
RGB	rgb(182, 59, 84)
HSL	hsl(348, 51%, 47%)
HSV	hsv(348, 68%, 71%)
CMYK	cmyk(0%, 67.6%, 53.8%, 28.6%)
CIE-LAB	lab(43.82, 51.25, 13.36)
CIE-LCH	lch(43.82, 52.96, 14.61°)
OKLab	oklab(53.58% 0.1549 0.0337)
OKLCH	oklch(53.58% 0.159 12.3)
XYZ	xyz(22.4576, 13.7161, 9.8507)
Luminance	0.1371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63B54 #3BB69D

analogous

#B63B91 #B63B54 #B6603B

triadic

#B63B54 #54B63B #3B54B6

tetradic

#B63B54 #91B63B #3BB69D #603BB6

square

#B63B54 #91B63B #3BB69D #603BB6

split-complementary

#B63B54 #3BB660 #3B91B6

monochromatic

#5A1D29 #882C3F #B63B54 #CC6278 #DB909F

Accessibility & contrast

On white

5.61

#B63B54 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B63B54 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63B54

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63B54	#FFFFFF	#000000	##FFFFFF
##B63B54	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595854

Deuteranopia (green-blind)

#787151

Tritanopia (blue-blind)

#C72345

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63b54;
/* rgb */ color: rgb(182, 59, 84);
/* oklch */ color: oklch(53.6% 0.159 12.3);

Tailwind

colors: {
  custom: {
    50: '#d27983',
    500: '#b63b54',
    950: '#000000',
  },
}

SCSS

$custom: #b63b54;
$custom-light: #d27983;
$custom-dark: #000000;

JSON

{
  "hex": "#b63b54",
  "rgb": {
    "r": 182,
    "g": 59,
    "b": 84
  },
  "hsl": {
    "h": 347.805,
    "s": 51.037,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53579,
    "c": 0.15853,
    "h": 12.3
  },
  "luminance": 0.13713
}

Semantic roles & 50–950 ramp

primary

#B63B54

secondary

#87C6B9

accent

#DBBE4D

background

#FDF7F8

surface

#FBEEEF

border

#D4C9CA

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63B54

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

Preview Lab → · Contrast checker → · Palette generator →