#B53240#B53240

#B53240 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.167 H 19.4°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B53240
RGB	rgb(181, 50, 64)
HSL	hsl(354, 57%, 45%)
HSV	hsv(354, 72%, 71%)
CMYK	cmyk(0%, 72.4%, 64.6%, 29%)
CIE-LAB	lab(41.97, 53.01, 23.22)
CIE-LCH	lch(41.97, 57.88, 23.66°)
OKLab	oklab(52.03% 0.1572 0.0555)
OKLCH	oklch(52.03% 0.167 19.4)
XYZ	xyz(21.1243, 12.4782, 6.1457)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53240 #32B5A7

analogous

#B53281 #B53240 #B56632

triadic

#B53240 #40B532 #3240B5

tetradic

#B53240 #81B532 #32B5A7 #6632B5

square

#B53240 #81B532 #32B5A7 #6632B5

split-complementary

#B53240 #32B566 #3281B5

monochromatic

#55181E #85252F #B53240 #D05462 #DD848E

Accessibility & contrast

On white

6.01

#B53240 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B53240 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53240

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53240	#FFFFFF	#000000	##FFFFFF
##B53240	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565140

Deuteranopia (green-blind)

#776D3C

Tritanopia (blue-blind)

#C70338

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53240;
/* rgb */ color: rgb(181, 50, 64);
/* oklch */ color: oklch(52.0% 0.167 19.4);

Tailwind

colors: {
  custom: {
    50: '#d27474',
    500: '#b53240',
    950: '#000000',
  },
}

SCSS

$custom: #b53240;
$custom-light: #d27474;
$custom-dark: #000000;

JSON

{
  "hex": "#b53240",
  "rgb": {
    "r": 181,
    "g": 50,
    "b": 64
  },
  "hsl": {
    "h": 353.588,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52032,
    "c": 0.16672,
    "h": 19.4
  },
  "luminance": 0.12475
}

Semantic roles & 50–950 ramp

primary

#B53240

secondary

#7CC7BF

accent

#E0D048

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53240

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

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