#B53538#B53538

#B53538 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.164 H 23.7°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B53538
RGB	rgb(181, 53, 56)
HSL	hsl(359, 55%, 46%)
HSV	hsv(359, 71%, 71%)
CMYK	cmyk(0%, 70.7%, 69.1%, 29%)
CIE-LAB	lab(42.24, 51.44, 28.44)
CIE-LCH	lch(42.24, 58.77, 28.94°)
OKLab	oklab(52.2% 0.1506 0.0661)
OKLCH	oklch(52.2% 0.164 23.7)
XYZ	xyz(21.0452, 12.6586, 5.0758)
Luminance	0.1265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53538 #35B5B2

analogous

#B53578 #B53538 #B57235

triadic

#B53538 #38B535 #3538B5

tetradic

#B53538 #78B535 #35B5B2 #7235B5

square

#B53538 #78B535 #35B5B2 #7235B5

split-complementary

#B53538 #35B572 #3578B5

monochromatic

#56191B #862729 #B53538 #CE595C #DC888A

Accessibility & contrast

On white

5.95

#B53538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B53538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53538

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53538	#FFFFFF	#000000	##FFFFFF
##B53538	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595237

Deuteranopia (green-blind)

#796E34

Tritanopia (blue-blind)

#C70937

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53538;
/* rgb */ color: rgb(181, 53, 56);
/* oklch */ color: oklch(52.2% 0.164 23.7);

Tailwind

colors: {
  custom: {
    50: '#d3756e',
    500: '#b53538',
    950: '#000000',
  },
}

SCSS

$custom: #b53538;
$custom-light: #d3756e;
$custom-dark: #000000;

JSON

{
  "hex": "#b53538",
  "rgb": {
    "r": 181,
    "g": 53,
    "b": 56
  },
  "hsl": {
    "h": 358.594,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52197,
    "c": 0.16443,
    "h": 23.7
  },
  "luminance": 0.12655
}

Semantic roles & 50–950 ramp

primary

#B53538

secondary

#80C6C5

accent

#DEDB4A

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53538

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

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