#B52F2C#B52F2C

#B52F2C is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.171 H 26.6°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B52F2C
RGB	rgb(181, 47, 44)
HSL	hsl(1, 61%, 44%)
HSV	hsv(1, 76%, 71%)
CMYK	cmyk(0%, 74%, 75.7%, 29%)
CIE-LAB	lab(41.28, 53.09, 34.42)
CIE-LCH	lch(41.28, 63.27, 32.96°)
OKLab	oklab(51.43% 0.1532 0.0768)
OKLCH	oklch(51.43% 0.171 26.6)
XYZ	xyz(20.5296, 12.0418, 3.6257)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F2C #2CB2B5

analogous

#B52C6E #B52F2C #B5742C

triadic

#B52F2C #2CB52F #2F2CB5

tetradic

#B52F2C #6EB52C #2CB2B5 #742CB5

square

#B52F2C #6EB52C #2CB2B5 #742CB5

split-complementary

#B52F2C #2CB574 #2C6EB5

monochromatic

#531514 #842220 #B52F2C #D34E4B #DF7E7C

Accessibility & contrast

On white

6.16

#B52F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B52F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F2C

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F2C	#FFFFFF	#000000	##FFFFFF
##B52F2C	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2A

Deuteranopia (green-blind)

#786C27

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52f2c;
/* rgb */ color: rgb(181, 47, 44);
/* oklch */ color: oklch(51.4% 0.171 26.6);

Tailwind

colors: {
  custom: {
    50: '#d47266',
    500: '#b52f2c',
    950: '#000000',
  },
}

SCSS

$custom: #b52f2c;
$custom-light: #d47266;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f2c",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 44
  },
  "hsl": {
    "h": 1.314,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51428,
    "c": 0.17136,
    "h": 26.6
  },
  "luminance": 0.12039
}

Semantic roles & 50–950 ramp

primary

#B52F2C

secondary

#75C6C8

accent

#E1E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52F2C

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

Preview Lab → · Contrast checker → · Palette generator →