#B53140#B53140

#B53140 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.168 H 19.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B53140
RGB	rgb(181, 49, 64)
HSL	hsl(353, 57%, 45%)
HSV	hsv(353, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 64.6%, 29%)
CIE-LAB	lab(41.84, 53.38, 23.06)
CIE-LCH	lch(41.84, 58.14, 23.36°)
OKLab	oklab(51.93% 0.1584 0.0551)
OKLCH	oklch(51.93% 0.168 19.2)
XYZ	xyz(21.0820, 12.3936, 6.1316)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53140 #31B5A6

analogous

#B53182 #B53140 #B56431

triadic

#B53140 #40B531 #3140B5

tetradic

#B53140 #82B531 #31B5A6 #6431B5

square

#B53140 #82B531 #31B5A6 #6431B5

split-complementary

#B53140 #31B564 #3182B5

monochromatic

#55171E #85242F #B53140 #D05361 #DD838D

Accessibility & contrast

On white

6.04

#B53140 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B53140 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53140

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53140	#FFFFFF	#000000	##FFFFFF
##B53140	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565140

Deuteranopia (green-blind)

#776D3C

Tritanopia (blue-blind)

#C70038

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53140;
/* rgb */ color: rgb(181, 49, 64);
/* oklch */ color: oklch(51.9% 0.168 19.2);

Tailwind

colors: {
  custom: {
    50: '#d27374',
    500: '#b53140',
    950: '#000000',
  },
}

SCSS

$custom: #b53140;
$custom-light: #d27374;
$custom-dark: #000000;

JSON

{
  "hex": "#b53140",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 64
  },
  "hsl": {
    "h": 353.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51934,
    "c": 0.16769,
    "h": 19.2
  },
  "luminance": 0.12391
}

Semantic roles & 50–950 ramp

primary

#B53140

secondary

#7BC7BE

accent

#E1CF47

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53140

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

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