#B63B4E#B63B4E

#B63B4E is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.158 H 15.4°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B63B4E
RGB	rgb(182, 59, 78)
HSL	hsl(351, 51%, 47%)
HSV	hsv(351, 68%, 71%)
CMYK	cmyk(0%, 67.6%, 57.1%, 28.6%)
CIE-LAB	lab(43.69, 50.78, 16.89)
CIE-LCH	lch(43.69, 53.52, 18.40°)
OKLab	oklab(53.44% 0.1525 0.0419)
OKLCH	oklch(53.44% 0.158 15.4)
XYZ	xyz(22.2326, 13.6261, 8.6656)
Luminance	0.1362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63B4E #3BB6A3

analogous

#B63B8B #B63B4E #B6663B

triadic

#B63B4E #4EB63B #3B4EB6

tetradic

#B63B4E #8BB63B #3BB6A3 #663BB6

square

#B63B4E #8BB63B #3BB6A3 #663BB6

split-complementary

#B63B4E #3BB666 #3B8BB6

monochromatic

#5A1D26 #882C3A #B63B4E #CC6272 #DB909C

Accessibility & contrast

On white

5.64

#B63B4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B63B4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63B4E

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63B4E	#FFFFFF	#000000	##FFFFFF
##B63B4E	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)

#5A574E

Deuteranopia (green-blind)

#79714B

Tritanopia (blue-blind)

#C72143

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63b4e;
/* rgb */ color: rgb(182, 59, 78);
/* oklch */ color: oklch(53.4% 0.158 15.4);

Tailwind

colors: {
  custom: {
    50: '#d2787f',
    500: '#b63b4e',
    950: '#000000',
  },
}

SCSS

$custom: #b63b4e;
$custom-light: #d2787f;
$custom-dark: #000000;

JSON

{
  "hex": "#b63b4e",
  "rgb": {
    "r": 182,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 350.732,
    "s": 51.037,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53438,
    "c": 0.15816,
    "h": 15.4
  },
  "luminance": 0.13623
}

Semantic roles & 50–950 ramp

primary

#B63B4E

secondary

#87C6BC

accent

#DBC54D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63B4E

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

Preview Lab → · Contrast checker → · Palette generator →