#B53141#B53141

#B53141 is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.168 H 18.7°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B53141
RGB	rgb(181, 49, 65)
HSL	hsl(353, 57%, 45%)
HSV	hsv(353, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 64.1%, 29%)
CIE-LAB	lab(41.85, 53.44, 22.46)
CIE-LCH	lch(41.85, 57.96, 22.80°)
OKLab	oklab(51.95% 0.1588 0.0539)
OKLCH	oklch(51.95% 0.168 18.7)
XYZ	xyz(21.1107, 12.4051, 6.2828)
Luminance	0.1240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53141 #31B5A5

analogous

#B53183 #B53141 #B56331

triadic

#B53141 #41B531 #3141B5

tetradic

#B53141 #83B531 #31B5A5 #6331B5

square

#B53141 #83B531 #31B5A5 #6331B5

split-complementary

#B53141 #31B563 #3183B5

monochromatic

#55171E #852430 #B53141 #D05362 #DD838E

Accessibility & contrast

On white

6.03

#B53141 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B53141 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53141

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53141	#FFFFFF	#000000	##FFFFFF
##B53141	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555141

Deuteranopia (green-blind)

#776D3D

Tritanopia (blue-blind)

#C70138

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53141;
/* rgb */ color: rgb(181, 49, 65);
/* oklch */ color: oklch(52.0% 0.168 18.7);

Tailwind

colors: {
  custom: {
    50: '#d27375',
    500: '#b53141',
    950: '#000000',
  },
}

SCSS

$custom: #b53141;
$custom-light: #d27375;
$custom-dark: #000000;

JSON

{
  "hex": "#b53141",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 65
  },
  "hsl": {
    "h": 352.727,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51953,
    "c": 0.16766,
    "h": 18.7
  },
  "luminance": 0.12402
}

Semantic roles & 50–950 ramp

primary

#B53141

secondary

#7BC7BE

accent

#E1CE47

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53141

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

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