#B53540#B53540

#B53540 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.164 H 20.2°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B53540
RGB	rgb(181, 53, 64)
HSL	hsl(355, 55%, 46%)
HSV	hsv(355, 71%, 71%)
CMYK	cmyk(0%, 70.7%, 64.6%, 29%)
CIE-LAB	lab(42.37, 51.89, 23.74)
CIE-LCH	lch(42.37, 57.06, 24.59°)
OKLab	oklab(52.34% 0.1536 0.0567)
OKLCH	oklch(52.34% 0.164 20.2)
XYZ	xyz(21.2568, 12.7432, 6.1899)
Luminance	0.1274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53540 #35B5AA

analogous

#B53580 #B53540 #B56A35

triadic

#B53540 #40B535 #3540B5

tetradic

#B53540 #80B535 #35B5AA #6A35B5

square

#B53540 #80B535 #35B5AA #6A35B5

split-complementary

#B53540 #35B56A #3580B5

monochromatic

#56191F #86272F #B53540 #CE5963 #DC888F

Accessibility & contrast

On white

5.92

#B53540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B53540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53540

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53540	#FFFFFF	#000000	##FFFFFF
##B53540	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58533F

Deuteranopia (green-blind)

#786E3C

Tritanopia (blue-blind)

#C70E3A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53540;
/* rgb */ color: rgb(181, 53, 64);
/* oklch */ color: oklch(52.3% 0.164 20.2);

Tailwind

colors: {
  custom: {
    50: '#d27574',
    500: '#b53540',
    950: '#000000',
  },
}

SCSS

$custom: #b53540;
$custom-light: #d27574;
$custom-dark: #000000;

JSON

{
  "hex": "#b53540",
  "rgb": {
    "r": 181,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 354.844,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52335,
    "c": 0.16375,
    "h": 20.2
  },
  "luminance": 0.1274
}

Semantic roles & 50–950 ramp

primary

#B53540

secondary

#80C6C0

accent

#DED14A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53540

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

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