#B52D2F#B52D2F

#B52D2F is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.173 H 25.1°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B52D2F
RGB	rgb(181, 45, 47)
HSL	hsl(359, 60%, 44%)
HSV	hsv(359, 75%, 71%)
CMYK	cmyk(0%, 75.1%, 74%, 29%)
CIE-LAB	lab(41.07, 53.91, 32.43)
CIE-LCH	lch(41.07, 62.91, 31.03°)
OKLab	oklab(51.28% 0.1564 0.0732)
OKLCH	oklch(51.28% 0.173 25.1)
XYZ	xyz(20.5099, 11.9089, 3.9075)
Luminance	0.1191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52D2F #2DB5B3

analogous

#B52D73 #B52D2F #B56F2D

triadic

#B52D2F #2FB52D #2D2FB5

tetradic

#B52D2F #73B52D #2DB5B3 #6F2DB5

square

#B52D2F #73B52D #2DB5B3 #6F2DB5

split-complementary

#B52D2F #2DB56F #2D73B5

monochromatic

#531516 #842122 #B52D2F #D34D4F #DF7E7F

Accessibility & contrast

On white

6.21

#B52D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B52D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52D2F

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52D2F	#FFFFFF	#000000	##FFFFFF
##B52D2F	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2E

Deuteranopia (green-blind)

#776B2A

Tritanopia (blue-blind)

#C7002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52d2f;
/* rgb */ color: rgb(181, 45, 47);
/* oklch */ color: oklch(51.3% 0.173 25.1);

Tailwind

colors: {
  custom: {
    50: '#d47168',
    500: '#b52d2f',
    950: '#000000',
  },
}

SCSS

$custom: #b52d2f;
$custom-light: #d47168;
$custom-dark: #000000;

JSON

{
  "hex": "#b52d2f",
  "rgb": {
    "r": 181,
    "g": 45,
    "b": 47
  },
  "hsl": {
    "h": 359.118,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51282,
    "c": 0.17269,
    "h": 25.1
  },
  "luminance": 0.11906
}

Semantic roles & 50–950 ramp

primary

#B52D2F

secondary

#76C7C6

accent

#E3E144

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52D2F

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

Preview Lab → · Contrast checker → · Palette generator →