#B53338#B53338

#B53338 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.166 H 23.1°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B53338
RGB	rgb(181, 51, 56)
HSL	hsl(358, 56%, 45%)
HSV	hsv(358, 72%, 71%)
CMYK	cmyk(0%, 71.8%, 69.1%, 29%)
CIE-LAB	lab(41.97, 52.19, 28.11)
CIE-LCH	lch(41.97, 59.28, 28.30°)
OKLab	oklab(51.99% 0.153 0.0654)
OKLCH	oklch(51.99% 0.166 23.1)
XYZ	xyz(20.9560, 12.4800, 5.0461)
Luminance	0.1248 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53338 #33B5B0

analogous

#B53379 #B53338 #B56F33

triadic

#B53338 #38B533 #3338B5

tetradic

#B53338 #79B533 #33B5B0 #6F33B5

square

#B53338 #79B533 #33B5B0 #6F33B5

split-complementary

#B53338 #33B56F #3379B5

monochromatic

#56181A #852629 #B53338 #CF565B #DD8689

Accessibility & contrast

On white

6.01

#B53338 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B53338 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53338

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53338	#FFFFFF	#000000	##FFFFFF
##B53338	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)

#585137

Deuteranopia (green-blind)

#786D34

Tritanopia (blue-blind)

#C70136

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53338;
/* rgb */ color: rgb(181, 51, 56);
/* oklch */ color: oklch(52.0% 0.166 23.1);

Tailwind

colors: {
  custom: {
    50: '#d3746e',
    500: '#b53338',
    950: '#000000',
  },
}

SCSS

$custom: #b53338;
$custom-light: #d3746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b53338",
  "rgb": {
    "r": 181,
    "g": 51,
    "b": 56
  },
  "hsl": {
    "h": 357.692,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51992,
    "c": 0.16634,
    "h": 23.1
  },
  "luminance": 0.12477
}

Semantic roles & 50–950 ramp

primary

#B53338

secondary

#7DC6C4

accent

#DFDA48

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53338

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

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