#B53543#B53543

#B53543 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.164 H 18.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B53543
RGB	rgb(181, 53, 67)
HSL	hsl(353, 55%, 46%)
HSV	hsv(353, 71%, 71%)
CMYK	cmyk(0%, 70.7%, 63%, 29%)
CIE-LAB	lab(42.43, 52.07, 21.97)
CIE-LCH	lch(42.43, 56.52, 22.87°)
OKLab	oklab(52.39% 0.1548 0.0529)
OKLCH	oklch(52.39% 0.164 18.9)
XYZ	xyz(21.3444, 12.7783, 6.6516)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53543 #35B5A7

analogous

#B53583 #B53543 #B56735

triadic

#B53543 #43B535 #3543B5

tetradic

#B53543 #83B535 #35B5A7 #6735B5

square

#B53543 #83B535 #35B5A7 #6735B5

split-complementary

#B53543 #35B567 #3583B5

monochromatic

#561920 #862731 #B53543 #CE5966 #DC8891

Accessibility & contrast

On white

5.91

#B53543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B53543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53543

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53543	#FFFFFF	#000000	##FFFFFF
##B53543	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575343

Deuteranopia (green-blind)

#786E3F

Tritanopia (blue-blind)

#C6103B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53543;
/* rgb */ color: rgb(181, 53, 67);
/* oklch */ color: oklch(52.4% 0.164 18.9);

Tailwind

colors: {
  custom: {
    50: '#d27577',
    500: '#b53543',
    950: '#000000',
  },
}

SCSS

$custom: #b53543;
$custom-light: #d27577;
$custom-dark: #000000;

JSON

{
  "hex": "#b53543",
  "rgb": {
    "r": 181,
    "g": 53,
    "b": 67
  },
  "hsl": {
    "h": 353.438,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52392,
    "c": 0.16361,
    "h": 18.9
  },
  "luminance": 0.12775
}

Semantic roles & 50–950 ramp

primary

#B53543

secondary

#80C6BE

accent

#DECE4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53543

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

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