#B53A2D#B53A2D

#B53A2D is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.161 H 29.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B53A2D
RGB	rgb(181, 58, 45)
HSL	hsl(6, 60%, 44%)
HSV	hsv(6, 75%, 71%)
CMYK	cmyk(0%, 68%, 75.1%, 29%)
CIE-LAB	lab(42.83, 48.92, 35.55)
CIE-LCH	lch(42.83, 60.47, 36.00°)
OKLab	oklab(52.59% 0.1403 0.0795)
OKLCH	oklch(52.59% 0.161 29.5)
XYZ	xyz(21.0451, 13.0424, 3.8914)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A2D #2DA8B5

analogous

#B52D64 #B53A2D #B57E2D

triadic

#B53A2D #2DB53A #3A2DB5

tetradic

#B53A2D #64B52D #2DA8B5 #7E2DB5

square

#B53A2D #64B52D #2DA8B5 #7E2DB5

split-complementary

#B53A2D #2DB57E #2D64B5

monochromatic

#531B15 #842A21 #B53A2D #D3594D #DF877E

Accessibility & contrast

On white

5.82

#B53A2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B53A2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A2D

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A2D	#FFFFFF	#000000	##FFFFFF
##B53A2D	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)

#5D542B

Deuteranopia (green-blind)

#7C6F29

Tritanopia (blue-blind)

#C71438

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a2d;
/* rgb */ color: rgb(181, 58, 45);
/* oklch */ color: oklch(52.6% 0.161 29.5);

Tailwind

colors: {
  custom: {
    50: '#d37767',
    500: '#b53a2d',
    950: '#000000',
  },
}

SCSS

$custom: #b53a2d;
$custom-light: #d37767;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a2d",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 45
  },
  "hsl": {
    "h": 5.735,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52586,
    "c": 0.16127,
    "h": 29.5
  },
  "luminance": 0.13039
}

Semantic roles & 50–950 ramp

primary

#B53A2D

secondary

#76C0C7

accent

#D4E344

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53A2D

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

Preview Lab → · Contrast checker → · Palette generator →