#B53A2C#B53A2C

#B53A2C is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.161 H 29.9°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B53A2C
RGB	rgb(181, 58, 44)
HSL	hsl(6, 61%, 44%)
HSV	hsv(6, 76%, 71%)
CMYK	cmyk(0%, 68%, 75.7%, 29%)
CIE-LAB	lab(42.82, 48.88, 36.10)
CIE-LCH	lch(42.82, 60.77, 36.45°)
OKLab	oklab(52.57% 0.14 0.0804)
OKLCH	oklch(52.57% 0.161 29.9)
XYZ	xyz(21.0261, 13.0348, 3.7912)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A2C #2CA7B5

analogous

#B52C63 #B53A2C #B57F2C

triadic

#B53A2C #2CB53A #3A2CB5

tetradic

#B53A2C #63B52C #2CA7B5 #7F2CB5

square

#B53A2C #63B52C #2CA7B5 #7F2CB5

split-complementary

#B53A2C #2CB57F #2C63B5

monochromatic

#531A14 #842A20 #B53A2C #D3594B #DF867C

Accessibility & contrast

On white

5.82

#B53A2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B53A2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A2C

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A2C	#FFFFFF	#000000	##FFFFFF
##B53A2C	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542A

Deuteranopia (green-blind)

#7C6F28

Tritanopia (blue-blind)

#C71438

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a2c;
/* rgb */ color: rgb(181, 58, 44);
/* oklch */ color: oklch(52.6% 0.161 29.9);

Tailwind

colors: {
  custom: {
    50: '#d37766',
    500: '#b53a2c',
    950: '#000000',
  },
}

SCSS

$custom: #b53a2c;
$custom-light: #d37766;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a2c",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 44
  },
  "hsl": {
    "h": 6.131,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52574,
    "c": 0.16144,
    "h": 29.9
  },
  "luminance": 0.13032
}

Semantic roles & 50–950 ramp

primary

#B53A2C

secondary

#75BFC8

accent

#D4E444

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53A2C

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

Preview Lab → · Contrast checker → · Palette generator →