#B63A54#B63A54

#B63A54 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.5% C 0.160 H 12.0°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B63A54
RGB	rgb(182, 58, 84)
HSL	hsl(347, 52%, 47%)
HSV	hsv(347, 68%, 71%)
CMYK	cmyk(0%, 68.1%, 53.8%, 28.6%)
CIE-LAB	lab(43.67, 51.66, 13.15)
CIE-LCH	lch(43.67, 53.31, 14.29°)
OKLab	oklab(53.47% 0.1562 0.0332)
OKLCH	oklch(53.47% 0.16 12)
XYZ	xyz(22.4067, 13.6143, 9.8337)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63A54 #3AB69C

analogous

#B63A92 #B63A54 #B65E3A

triadic

#B63A54 #54B63A #3A54B6

tetradic

#B63A54 #92B63A #3AB69C #5E3AB6

square

#B63A54 #92B63A #3AB69C #5E3AB6

split-complementary

#B63A54 #3AB65E #3A92B6

monochromatic

#591C29 #882B3F #B63A54 #CD6177 #DB8F9F

Accessibility & contrast

On white

5.64

#B63A54 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B63A54 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63A54

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63A54	#FFFFFF	#000000	##FFFFFF
##B63A54	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585754

Deuteranopia (green-blind)

#787151

Tritanopia (blue-blind)

#C72244

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63a54;
/* rgb */ color: rgb(182, 58, 84);
/* oklch */ color: oklch(53.5% 0.160 12.0);

Tailwind

colors: {
  custom: {
    50: '#d27883',
    500: '#b63a54',
    950: '#000000',
  },
}

SCSS

$custom: #b63a54;
$custom-light: #d27883;
$custom-dark: #000000;

JSON

{
  "hex": "#b63a54",
  "rgb": {
    "r": 182,
    "g": 58,
    "b": 84
  },
  "hsl": {
    "h": 347.419,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53468,
    "c": 0.15968,
    "h": 12
  },
  "luminance": 0.13611
}

Semantic roles & 50–950 ramp

primary

#B63A54

secondary

#86C6B9

accent

#DBBD4D

background

#FDF7F8

surface

#FBEEEF

border

#D4C9CA

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63A54

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

Preview Lab → · Contrast checker → · Palette generator →