#B63F4A#B63F4A

#B63F4A is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.154 H 18.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#B63F4A
RGB	rgb(182, 63, 74)
HSL	hsl(354, 49%, 48%)
HSV	hsv(354, 65%, 71%)
CMYK	cmyk(0%, 65.4%, 59.3%, 28.6%)
CIE-LAB	lab(44.23, 48.81, 20.06)
CIE-LCH	lch(44.23, 52.77, 22.34°)
OKLab	oklab(53.81% 0.1456 0.0491)
OKLCH	oklch(53.81% 0.154 18.6)
XYZ	xyz(22.3070, 13.9975, 8.0044)
Luminance	0.1399 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F4A #3FB6AB

analogous

#B63F85 #B63F4A #B6703F

triadic

#B63F4A #4AB63F #3F4AB6

tetradic

#B63F4A #85B63F #3FB6AB #703FB6

square

#B63F4A #85B63F #3FB6AB #703FB6

split-complementary

#B63F4A #3FB670 #3F85B6

monochromatic

#5B2025 #892F38 #B63F4A #CB6871 #DA959B

Accessibility & contrast

On white

5.53

#B63F4A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#B63F4A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F4A

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F4A	#FFFFFF	#000000	##FFFFFF
##B63F4A	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D594A

Deuteranopia (green-blind)

#7B7247

Tritanopia (blue-blind)

#C72644

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b63f4a;
/* rgb */ color: rgb(182, 63, 74);
/* oklch */ color: oklch(53.8% 0.154 18.6);

Tailwind

colors: {
  custom: {
    50: '#d27a7c',
    500: '#b63f4a',
    950: '#000000',
  },
}

SCSS

$custom: #b63f4a;
$custom-light: #d27a7c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f4a",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 74
  },
  "hsl": {
    "h": 354.454,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53814,
    "c": 0.15362,
    "h": 18.6
  },
  "luminance": 0.13995
}

Semantic roles & 50–950 ramp

primary

#B63F4A

secondary

#8BC6C0

accent

#D8CC50

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B63F4A

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

Preview Lab → · Contrast checker → · Palette generator →