#B53641#B53641

#B53641 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.163 H 20.1°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B53641
RGB	rgb(181, 54, 65)
HSL	hsl(355, 54%, 46%)
HSV	hsv(355, 70%, 71%)
CMYK	cmyk(0%, 70.2%, 64.1%, 29%)
CIE-LAB	lab(42.53, 51.56, 23.33)
CIE-LCH	lch(42.53, 56.60, 24.35°)
OKLab	oklab(52.46% 0.1528 0.0558)
OKLCH	oklch(52.46% 0.163 20.1)
XYZ	xyz(21.3315, 12.8468, 6.3564)
Luminance	0.1284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53641 #36B5AA

analogous

#B53680 #B53641 #B56A36

triadic

#B53641 #41B536 #3641B5

tetradic

#B53641 #80B536 #36B5AA #6A36B5

square

#B53641 #80B536 #36B5AA #6A36B5

split-complementary

#B53641 #36B56A #3680B5

monochromatic

#571A1F #862830 #B53641 #CE5A64 #DC8991

Accessibility & contrast

On white

5.88

#B53641 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B53641 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53641

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53641	#FFFFFF	#000000	##FFFFFF
##B53641	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585340

Deuteranopia (green-blind)

#786E3D

Tritanopia (blue-blind)

#C6123B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53641;
/* rgb */ color: rgb(181, 54, 65);
/* oklch */ color: oklch(52.5% 0.163 20.1);

Tailwind

colors: {
  custom: {
    50: '#d27675',
    500: '#b53641',
    950: '#000000',
  },
}

SCSS

$custom: #b53641;
$custom-light: #d27675;
$custom-dark: #000000;

JSON

{
  "hex": "#b53641",
  "rgb": {
    "r": 181,
    "g": 54,
    "b": 65
  },
  "hsl": {
    "h": 354.803,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52458,
    "c": 0.16268,
    "h": 20.1
  },
  "luminance": 0.12844
}

Semantic roles & 50–950 ramp

primary

#B53641

secondary

#81C6C0

accent

#DDD14A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53641

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

Preview Lab → · Contrast checker → · Palette generator →