#B53533#B53533

#B53533 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.165 H 25.7°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B53533
RGB	rgb(181, 53, 51)
HSL	hsl(1, 56%, 45%)
HSV	hsv(1, 72%, 71%)
CMYK	cmyk(0%, 70.7%, 71.8%, 29%)
CIE-LAB	lab(42.17, 51.19, 31.34)
CIE-LCH	lch(42.17, 60.02, 31.48°)
OKLab	oklab(52.12% 0.1487 0.0716)
OKLCH	oklch(52.12% 0.165 25.7)
XYZ	xyz(20.9290, 12.6121, 4.4637)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53533 #33B3B5

analogous

#B53372 #B53533 #B57633

triadic

#B53533 #33B535 #3533B5

tetradic

#B53533 #72B533 #33B3B5 #7633B5

square

#B53533 #72B533 #33B3B5 #7633B5

split-complementary

#B53533 #33B576 #3372B5

monochromatic

#561918 #852726 #B53533 #CF5856 #DD8786

Accessibility & contrast

On white

5.96

#B53533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B53533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53533

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53533	#FFFFFF	#000000	##FFFFFF
##B53533	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595232

Deuteranopia (green-blind)

#796E2F

Tritanopia (blue-blind)

#C70636

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53533;
/* rgb */ color: rgb(181, 53, 51);
/* oklch */ color: oklch(52.1% 0.165 25.7);

Tailwind

colors: {
  custom: {
    50: '#d3756b',
    500: '#b53533',
    950: '#000000',
  },
}

SCSS

$custom: #b53533;
$custom-light: #d3756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b53533",
  "rgb": {
    "r": 181,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 0.923,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52121,
    "c": 0.16504,
    "h": 25.7
  },
  "luminance": 0.12609
}

Semantic roles & 50–950 ramp

primary

#B53533

secondary

#7DC5C6

accent

#DDDF48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53533

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

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