#B63A4F#B63A4F

#B63A4F is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.159 H 14.6°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B63A4F
RGB	rgb(182, 58, 79)
HSL	hsl(350, 52%, 47%)
HSV	hsv(350, 68%, 71%)
CMYK	cmyk(0%, 68.1%, 56.6%, 28.6%)
CIE-LAB	lab(43.56, 51.26, 16.10)
CIE-LCH	lch(43.56, 53.73, 17.43°)
OKLab	oklab(53.35% 0.1542 0.0401)
OKLCH	oklch(53.35% 0.159 14.6)
XYZ	xyz(22.2178, 13.5387, 8.8389)
Luminance	0.1354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A4F #3AB6A1

analogous

#B63A8D #B63A4F #B6633A

triadic

#B63A4F #4FB63A #3A4FB6

tetradic

#B63A4F #8DB63A #3AB6A1 #633AB6

square

#B63A4F #8DB63A #3AB6A1 #633AB6

split-complementary

#B63A4F #3AB663 #3A8DB6

monochromatic

#591C27 #882B3B #B63A4F #CD6173 #DB8F9C

Accessibility & contrast

On white

5.66

#B63A4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B63A4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A4F

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A4F	#FFFFFF	#000000	##FFFFFF
##B63A4F	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59574F

Deuteranopia (green-blind)

#79704C

Tritanopia (blue-blind)

#C72042

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63a4f;
/* rgb */ color: rgb(182, 58, 79);
/* oklch */ color: oklch(53.3% 0.159 14.6);

Tailwind

colors: {
  custom: {
    50: '#d27880',
    500: '#b63a4f',
    950: '#000000',
  },
}

SCSS

$custom: #b63a4f;
$custom-light: #d27880;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a4f",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 79
  },
  "hsl": {
    "h": 349.839,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5335,
    "c": 0.15933,
    "h": 14.6
  },
  "luminance": 0.13536
}

Semantic roles & 50–950 ramp

primary

#B63A4F

secondary

#86C6BB

accent

#DBC34D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63A4F

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

Preview Lab → · Contrast checker → · Palette generator →