#B53B32#B53B32

#B53B32 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.159 H 28.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B53B32
RGB	rgb(181, 59, 50)
HSL	hsl(4, 57%, 45%)
HSV	hsv(4, 72%, 71%)
CMYK	cmyk(0%, 67.4%, 72.4%, 29%)
CIE-LAB	lab(43.04, 48.73, 32.93)
CIE-LCH	lch(43.04, 58.81, 34.04°)
OKLab	oklab(52.77% 0.1407 0.0749)
OKLCH	oklch(52.77% 0.159 28)
XYZ	xyz(21.1980, 13.1851, 4.4458)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B32 #32ACB5

analogous

#B5326B #B53B32 #B57C32

triadic

#B53B32 #32B53B #3B32B5

tetradic

#B53B32 #6BB532 #32ACB5 #7C32B5

square

#B53B32 #6BB532 #32ACB5 #7C32B5

split-complementary

#B53B32 #32B57C #326BB5

monochromatic

#551C18 #852B25 #B53B32 #D05D54 #DD8A84

Accessibility & contrast

On white

5.77

#B53B32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B53B32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B32

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B32	#FFFFFF	#000000	##FFFFFF
##B53B32	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5530

Deuteranopia (green-blind)

#7C6F2E

Tritanopia (blue-blind)

#C7183A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53b32;
/* rgb */ color: rgb(181, 59, 50);
/* oklch */ color: oklch(52.8% 0.159 28.0);

Tailwind

colors: {
  custom: {
    50: '#d3786a',
    500: '#b53b32',
    950: '#000000',
  },
}

SCSS

$custom: #b53b32;
$custom-light: #d3786a;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b32",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 50
  },
  "hsl": {
    "h": 4.122,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52766,
    "c": 0.15943,
    "h": 28
  },
  "luminance": 0.13182
}

Semantic roles & 50–950 ramp

primary

#B53B32

secondary

#7CC1C7

accent

#D6E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53B32

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

Preview Lab → · Contrast checker → · Palette generator →