#B5333D#B5333D

#B5333D is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.166 H 21.0°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#B5333D
RGB	rgb(181, 51, 61)
HSL	hsl(355, 56%, 45%)
HSV	hsv(355, 72%, 71%)
CMYK	cmyk(0%, 71.8%, 66.3%, 29%)
CIE-LAB	lab(42.05, 52.47, 25.17)
CIE-LCH	lch(42.05, 58.19, 25.63°)
OKLab	oklab(52.08% 0.1549 0.0595)
OKLCH	oklch(52.08% 0.166 21)
XYZ	xyz(21.0844, 12.5314, 5.7226)
Luminance	0.1253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5333D #33B5AB

analogous

#B5337E #B5333D #B56A33

triadic

#B5333D #3DB533 #333DB5

tetradic

#B5333D #7EB533 #33B5AB #6A33B5

square

#B5333D #7EB533 #33B5AB #6A33B5

split-complementary

#B5333D #33B56A #337EB5

monochromatic

#56181D #85262D #B5333D #CF565F #DD868C

Accessibility & contrast

On white

5.99

#B5333D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B5333D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5333D

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5333D	#FFFFFF	#000000	##FFFFFF
##B5333D	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523C

Deuteranopia (green-blind)

#786D39

Tritanopia (blue-blind)

#C70538

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5333d;
/* rgb */ color: rgb(181, 51, 61);
/* oklch */ color: oklch(52.1% 0.166 21.0);

Tailwind

colors: {
  custom: {
    50: '#d37472',
    500: '#b5333d',
    950: '#000000',
  },
}

SCSS

$custom: #b5333d;
$custom-light: #d37472;
$custom-dark: #000000;

JSON

{
  "hex": "#b5333d",
  "rgb": {
    "r": 181,
    "g": 51,
    "b": 61
  },
  "hsl": {
    "h": 355.385,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52076,
    "c": 0.16591,
    "h": 21
  },
  "luminance": 0.12528
}

Semantic roles & 50–950 ramp

primary

#B5333D

secondary

#7DC6C1

accent

#DFD448

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B5333D

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

Preview Lab → · Contrast checker → · Palette generator →