#B53A32#B53A32

#B53A32 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.160 H 27.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B53A32
RGB	rgb(181, 58, 50)
HSL	hsl(4, 57%, 45%)
HSV	hsv(4, 72%, 71%)
CMYK	cmyk(0%, 68%, 72.4%, 29%)
CIE-LAB	lab(42.89, 49.15, 32.75)
CIE-LCH	lch(42.89, 59.06, 33.68°)
OKLab	oklab(52.65% 0.1421 0.0745)
OKLCH	oklch(52.65% 0.16 27.7)
XYZ	xyz(21.1471, 13.0832, 4.4288)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A32 #32ADB5

analogous

#B5326B #B53A32 #B57B32

triadic

#B53A32 #32B53A #3A32B5

tetradic

#B53A32 #6BB532 #32ADB5 #7B32B5

square

#B53A32 #6BB532 #32ADB5 #7B32B5

split-complementary

#B53A32 #32B57B #326BB5

monochromatic

#551B18 #852B25 #B53A32 #D05C54 #DD8A84

Accessibility & contrast

On white

5.81

#B53A32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B53A32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A32

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A32	#FFFFFF	#000000	##FFFFFF
##B53A32	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5430

Deuteranopia (green-blind)

#7B6F2E

Tritanopia (blue-blind)

#C71639

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a32;
/* rgb */ color: rgb(181, 58, 50);
/* oklch */ color: oklch(52.7% 0.160 27.7);

Tailwind

colors: {
  custom: {
    50: '#d3776a',
    500: '#b53a32',
    950: '#000000',
  },
}

SCSS

$custom: #b53a32;
$custom-light: #d3776a;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a32",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 50
  },
  "hsl": {
    "h": 3.664,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52652,
    "c": 0.16041,
    "h": 27.7
  },
  "luminance": 0.1308
}

Semantic roles & 50–950 ramp

primary

#B53A32

secondary

#7CC2C7

accent

#D7E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53A32

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

Preview Lab → · Contrast checker → · Palette generator →