#B53336#B53336

#B53336 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.167 H 24.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B53336
RGB	rgb(181, 51, 54)
HSL	hsl(359, 56%, 45%)
HSV	hsv(359, 72%, 71%)
CMYK	cmyk(0%, 71.8%, 70.2%, 29%)
CIE-LAB	lab(41.94, 52.09, 29.28)
CIE-LCH	lch(41.94, 59.75, 29.34°)
OKLab	oklab(51.96% 0.1522 0.0676)
OKLCH	oklch(51.96% 0.167 24)
XYZ	xyz(20.9080, 12.4609, 4.7936)
Luminance	0.1246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53336 #33B5B2

analogous

#B53377 #B53336 #B57133

triadic

#B53336 #36B533 #3336B5

tetradic

#B53336 #77B533 #33B5B2 #7133B5

square

#B53336 #77B533 #33B5B2 #7133B5

split-complementary

#B53336 #33B571 #3377B5

monochromatic

#56181A #852628 #B53336 #CF5659 #DD8688

Accessibility & contrast

On white

6.01

#B53336 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B53336 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53336

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53336	#FFFFFF	#000000	##FFFFFF
##B53336	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585135

Deuteranopia (green-blind)

#796D32

Tritanopia (blue-blind)

#C70036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53336;
/* rgb */ color: rgb(181, 51, 54);
/* oklch */ color: oklch(52.0% 0.167 24.0);

Tailwind

colors: {
  custom: {
    50: '#d3746d',
    500: '#b53336',
    950: '#000000',
  },
}

SCSS

$custom: #b53336;
$custom-light: #d3746d;
$custom-dark: #000000;

JSON

{
  "hex": "#b53336",
  "rgb": {
    "r": 181,
    "g": 51,
    "b": 54
  },
  "hsl": {
    "h": 358.615,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5196,
    "c": 0.16655,
    "h": 24
  },
  "luminance": 0.12458
}

Semantic roles & 50–950 ramp

primary

#B53336

secondary

#7DC6C5

accent

#DFDC48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53336

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

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