#B52D2C#B52D2C

#B52D2C is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.173 H 26.1°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B52D2C
RGB	rgb(181, 45, 44)
HSL	hsl(0, 61%, 44%)
HSV	hsv(0, 76%, 71%)
CMYK	cmyk(0%, 75.1%, 75.7%, 29%)
CIE-LAB	lab(41.03, 53.78, 34.14)
CIE-LCH	lch(41.03, 63.70, 32.41°)
OKLab	oklab(51.24% 0.1554 0.0762)
OKLCH	oklch(51.24% 0.173 26.1)
XYZ	xyz(20.4515, 11.8856, 3.5997)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D2C #2CB4B5

analogous

#B52C70 #B52D2C #B5722C

triadic

#B52D2C #2CB52D #2D2CB5

tetradic

#B52D2C #70B52C #2CB4B5 #722CB5

square

#B52D2C #70B52C #2CB4B5 #722CB5

split-complementary

#B52D2C #2CB572 #2C70B5

monochromatic

#531514 #842120 #B52D2C #D34C4B #DF7D7C

Accessibility & contrast

On white

6.22

#B52D2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B52D2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D2C

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D2C	#FFFFFF	#000000	##FFFFFF
##B52D2C	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2A

Deuteranopia (green-blind)

#786B27

Tritanopia (blue-blind)

#C7002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d2c;
/* rgb */ color: rgb(181, 45, 44);
/* oklch */ color: oklch(51.2% 0.173 26.1);

Tailwind

colors: {
  custom: {
    50: '#d47165',
    500: '#b52d2c',
    950: '#000000',
  },
}

SCSS

$custom: #b52d2c;
$custom-light: #d47165;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d2c",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 44
  },
  "hsl": {
    "h": 0.438,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51242,
    "c": 0.17306,
    "h": 26.1
  },
  "luminance": 0.11882
}

Semantic roles & 50–950 ramp

primary

#B52D2C

secondary

#75C7C8

accent

#E3E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52D2C

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

Preview Lab → · Contrast checker → · Palette generator →