#B53347#B53347

#B53347 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.3% C 0.166 H 16.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B53347
RGB	rgb(181, 51, 71)
HSL	hsl(351, 56%, 45%)
HSV	hsv(351, 72%, 71%)
CMYK	cmyk(0%, 71.8%, 60.8%, 29%)
CIE-LAB	lab(42.23, 53.09, 19.24)
CIE-LCH	lch(42.23, 56.47, 19.92°)
OKLab	oklab(52.27% 0.1588 0.047)
OKLCH	oklch(52.27% 0.166 16.5)
XYZ	xyz(21.3793, 12.6494, 7.2758)
Luminance	0.1265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53347 #33B5A1

analogous

#B53388 #B53347 #B56033

triadic

#B53347 #47B533 #3347B5

tetradic

#B53347 #88B533 #33B5A1 #6033B5

square

#B53347 #88B533 #33B5A1 #6033B5

split-complementary

#B53347 #33B560 #3388B5

monochromatic

#561822 #852634 #B53347 #CF5669 #DD8693

Accessibility & contrast

On white

5.95

#B53347 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B53347 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53347

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53347	#FFFFFF	#000000	##FFFFFF
##B53347	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565247

Deuteranopia (green-blind)

#776E44

Tritanopia (blue-blind)

#C60D3B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53347;
/* rgb */ color: rgb(181, 51, 71);
/* oklch */ color: oklch(52.3% 0.166 16.5);

Tailwind

colors: {
  custom: {
    50: '#d2747a',
    500: '#b53347',
    950: '#000000',
  },
}

SCSS

$custom: #b53347;
$custom-light: #d2747a;
$custom-dark: #000000;

JSON

{
  "hex": "#b53347",
  "rgb": {
    "r": 181,
    "g": 51,
    "b": 71
  },
  "hsl": {
    "h": 350.769,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5227,
    "c": 0.16562,
    "h": 16.5
  },
  "luminance": 0.12646
}

Semantic roles & 50–950 ramp

primary

#B53347

secondary

#7DC6BB

accent

#DFC848

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B53347

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

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