#B63336#B63336

#B63336 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.168 H 24.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B63336
RGB	rgb(182, 51, 54)
HSL	hsl(359, 56%, 46%)
HSV	hsv(359, 72%, 71%)
CMYK	cmyk(0%, 72%, 70.3%, 28.6%)
CIE-LAB	lab(42.13, 52.41, 29.54)
CIE-LCH	lch(42.13, 60.16, 29.41°)
OKLab	oklab(52.13% 0.1531 0.0682)
OKLCH	oklch(52.13% 0.168 24)
XYZ	xyz(21.1434, 12.5822, 4.8046)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63336 #33B6B3

analogous

#B63377 #B63336 #B67133

triadic

#B63336 #36B633 #3336B6

tetradic

#B63336 #77B633 #33B6B3 #7133B6

square

#B63336 #77B633 #33B6B3 #7133B6

split-complementary

#B63336 #33B671 #3377B6

monochromatic

#56181A #862628 #B63336 #D05659 #DD8688

Accessibility & contrast

On white

5.97

#B63336 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B63336 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63336

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63336	#FFFFFF	#000000	##FFFFFF
##B63336	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585135

Deuteranopia (green-blind)

#796E32

Tritanopia (blue-blind)

#C80036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63336;
/* rgb */ color: rgb(182, 51, 54);
/* oklch */ color: oklch(52.1% 0.168 24.0);

Tailwind

colors: {
  custom: {
    50: '#d4746d',
    500: '#b63336',
    950: '#000000',
  },
}

SCSS

$custom: #b63336;
$custom-light: #d4746d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63336",
  "rgb": {
    "r": 182,
    "g": 51,
    "b": 54
  },
  "hsl": {
    "h": 358.626,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52134,
    "c": 0.16758,
    "h": 24
  },
  "luminance": 0.12579
}

Semantic roles & 50–950 ramp

primary

#B63336

secondary

#7EC7C5

accent

#E0DC48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63336

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

Preview Lab → · Contrast checker → · Palette generator →