#B52D2D#B52D2D

#B52D2D is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.173 H 25.8°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B52D2D
RGB	rgb(181, 45, 45)
HSL	hsl(0, 60%, 44%)
HSV	hsv(0, 75%, 71%)
CMYK	cmyk(0%, 75.1%, 75.1%, 29%)
CIE-LAB	lab(41.05, 53.82, 33.58)
CIE-LCH	lch(41.05, 63.44, 31.96°)
OKLab	oklab(51.26% 0.1557 0.0752)
OKLCH	oklch(51.26% 0.173 25.8)
XYZ	xyz(20.4705, 11.8932, 3.6999)
Luminance	0.1189 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D2D #2DB5B5

analogous

#B52D71 #B52D2D #B5712D

triadic

#B52D2D #2DB52D #2D2DB5

tetradic

#B52D2D #71B52D #2DB5B5 #712DB5

square

#B52D2D #71B52D #2DB5B5 #712DB5

split-complementary

#B52D2D #2DB571 #2D71B5

monochromatic

#531515 #842121 #B52D2D #D34D4D #DF7E7E

Accessibility & contrast

On white

6.22

#B52D2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B52D2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D2D

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D2D	#FFFFFF	#000000	##FFFFFF
##B52D2D	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)

#564E2B

Deuteranopia (green-blind)

#786B28

Tritanopia (blue-blind)

#C7002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d2d;
/* rgb */ color: rgb(181, 45, 45);
/* oklch */ color: oklch(51.3% 0.173 25.8);

Tailwind

colors: {
  custom: {
    50: '#d47166',
    500: '#b52d2d',
    950: '#000000',
  },
}

SCSS

$custom: #b52d2d;
$custom-light: #d47166;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d2d",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 45
  },
  "hsl": {
    "h": 0,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51255,
    "c": 0.17293,
    "h": 25.8
  },
  "luminance": 0.1189
}

Semantic roles & 50–950 ramp

primary

#B52D2D

secondary

#76C7C7

accent

#E3E344

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52D2D

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

Preview Lab → · Contrast checker → · Palette generator →