#B53343#B53343

#B53343 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.166 H 18.3°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B53343
RGB	rgb(181, 51, 67)
HSL	hsl(353, 56%, 45%)
HSV	hsv(353, 72%, 71%)
CMYK	cmyk(0%, 71.8%, 63%, 29%)
CIE-LAB	lab(42.15, 52.83, 21.61)
CIE-LCH	lch(42.15, 57.08, 22.25°)
OKLab	oklab(52.19% 0.1572 0.0521)
OKLCH	oklch(52.19% 0.166 18.3)
XYZ	xyz(21.2552, 12.5997, 6.6219)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53343 #33B5A5

analogous

#B53384 #B53343 #B56433

triadic

#B53343 #43B533 #3343B5

tetradic

#B53343 #84B533 #33B5A5 #6433B5

square

#B53343 #84B533 #33B5A5 #6433B5

split-complementary

#B53343 #33B564 #3384B5

monochromatic

#561820 #852631 #B53343 #CF5665 #DD8690

Accessibility & contrast

On white

5.97

#B53343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B53343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53343

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53343	#FFFFFF	#000000	##FFFFFF
##B53343	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565243

Deuteranopia (green-blind)

#776D3F

Tritanopia (blue-blind)

#C6093A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53343;
/* rgb */ color: rgb(181, 51, 67);
/* oklch */ color: oklch(52.2% 0.166 18.3);

Tailwind

colors: {
  custom: {
    50: '#d27477',
    500: '#b53343',
    950: '#000000',
  },
}

SCSS

$custom: #b53343;
$custom-light: #d27477;
$custom-dark: #000000;

JSON

{
  "hex": "#b53343",
  "rgb": {
    "r": 181,
    "g": 51,
    "b": 67
  },
  "hsl": {
    "h": 352.615,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52189,
    "c": 0.16564,
    "h": 18.3
  },
  "luminance": 0.12597
}

Semantic roles & 50–950 ramp

primary

#B53343

secondary

#7DC6BD

accent

#DFCD48

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53343

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

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