#B63F4B#B63F4B

#B63F4B is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.154 H 18.1°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#B63F4B
RGB	rgb(182, 63, 75)
HSL	hsl(354, 49%, 48%)
HSV	hsv(354, 65%, 71%)
CMYK	cmyk(0%, 65.4%, 58.8%, 28.6%)
CIE-LAB	lab(44.25, 48.88, 19.48)
CIE-LCH	lch(44.25, 52.62, 21.72°)
OKLab	oklab(53.84% 0.146 0.0478)
OKLCH	oklch(53.84% 0.154 18.1)
XYZ	xyz(22.3410, 14.0111, 8.1832)
Luminance	0.1401 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F4B #3FB6AA

analogous

#B63F86 #B63F4B #B66F3F

triadic

#B63F4B #4BB63F #3F4BB6

tetradic

#B63F4B #86B63F #3FB6AA #6F3FB6

square

#B63F4B #86B63F #3FB6AA #6F3FB6

split-complementary

#B63F4B #3FB66F #3F86B6

monochromatic

#5B2026 #892F38 #B63F4B #CB6872 #DA959C

Accessibility & contrast

On white

5.52

#B63F4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#B63F4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F4B

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F4B	#FFFFFF	#000000	##FFFFFF
##B63F4B	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D594B

Deuteranopia (green-blind)

#7B7248

Tritanopia (blue-blind)

#C72744

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b63f4b;
/* rgb */ color: rgb(182, 63, 75);
/* oklch */ color: oklch(53.8% 0.154 18.1);

Tailwind

colors: {
  custom: {
    50: '#d27b7d',
    500: '#b63f4b',
    950: '#000000',
  },
}

SCSS

$custom: #b63f4b;
$custom-light: #d27b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f4b",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 75
  },
  "hsl": {
    "h": 353.95,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53835,
    "c": 0.1536,
    "h": 18.1
  },
  "luminance": 0.14008
}

Semantic roles & 50–950 ramp

primary

#B63F4B

secondary

#8BC6C0

accent

#D8CA50

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B63F4B

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

Preview Lab → · Contrast checker → · Palette generator →