#B63F55#B63F55

#B63F55 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.1% C 0.154 H 12.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#B63F55
RGB	rgb(182, 63, 85)
HSL	hsl(349, 49%, 48%)
HSV	hsv(349, 65%, 71%)
CMYK	cmyk(0%, 65.4%, 53.3%, 28.6%)
CIE-LAB	lab(44.46, 49.66, 13.62)
CIE-LCH	lch(44.46, 51.50, 15.33°)
OKLab	oklab(54.06% 0.15 0.0344)
OKLCH	oklch(54.06% 0.154 12.9)
XYZ	xyz(22.7106, 14.1589, 10.1296)
Luminance	0.1416 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F55 #3FB6A0

analogous

#B63F90 #B63F55 #B6653F

triadic

#B63F55 #55B63F #3F55B6

tetradic

#B63F55 #90B63F #3FB6A0 #653FB6

square

#B63F55 #90B63F #3FB6A0 #653FB6

split-complementary

#B63F55 #3FB665 #3F90B6

monochromatic

#5B202B #892F40 #B63F55 #CB687A #DA95A2

Accessibility & contrast

On white

5.48

#B63F55 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#B63F55 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F55

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F55	#FFFFFF	#000000	##FFFFFF
##B63F55	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5A55

Deuteranopia (green-blind)

#7A7252

Tritanopia (blue-blind)

#C62A48

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b63f55;
/* rgb */ color: rgb(182, 63, 85);
/* oklch */ color: oklch(54.1% 0.154 12.9);

Tailwind

colors: {
  custom: {
    50: '#d17b84',
    500: '#b63f55',
    950: '#000000',
  },
}

SCSS

$custom: #b63f55;
$custom-light: #d17b84;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f55",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 348.908,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54061,
    "c": 0.15385,
    "h": 12.9
  },
  "luminance": 0.14156
}

Semantic roles & 50–950 ramp

primary

#B63F55

secondary

#8BC6BB

accent

#D8BF50

background

#FDF7F8

surface

#FBEEEF

border

#D4C9CA

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B63F55

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

Preview Lab → · Contrast checker → · Palette generator →