#B52F2D#B52F2D

#B52F2D is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.171 H 26.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B52F2D
RGB	rgb(181, 47, 45)
HSL	hsl(1, 60%, 44%)
HSV	hsv(1, 75%, 71%)
CMYK	cmyk(0%, 74%, 75.1%, 29%)
CIE-LAB	lab(41.29, 53.13, 33.85)
CIE-LCH	lch(41.29, 63.00, 32.50°)
OKLab	oklab(51.44% 0.1536 0.0758)
OKLCH	oklch(51.44% 0.171 26.3)
XYZ	xyz(20.5486, 12.0494, 3.7259)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F2D #2DB3B5

analogous

#B52D6F #B52F2D #B5732D

triadic

#B52F2D #2DB52F #2F2DB5

tetradic

#B52F2D #6FB52D #2DB3B5 #732DB5

square

#B52F2D #6FB52D #2DB3B5 #732DB5

split-complementary

#B52F2D #2DB573 #2D6FB5

monochromatic

#531615 #842221 #B52F2D #D34F4D #DF7F7E

Accessibility & contrast

On white

6.16

#B52F2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B52F2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F2D

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F2D	#FFFFFF	#000000	##FFFFFF
##B52F2D	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)

#574F2B

Deuteranopia (green-blind)

#786C28

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52f2d;
/* rgb */ color: rgb(181, 47, 45);
/* oklch */ color: oklch(51.4% 0.171 26.3);

Tailwind

colors: {
  custom: {
    50: '#d47266',
    500: '#b52f2d',
    950: '#000000',
  },
}

SCSS

$custom: #b52f2d;
$custom-light: #d47266;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f2d",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 45
  },
  "hsl": {
    "h": 0.882,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51441,
    "c": 0.17124,
    "h": 26.3
  },
  "luminance": 0.12046
}

Semantic roles & 50–950 ramp

primary

#B52F2D

secondary

#76C6C7

accent

#E1E344

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52F2D

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

Preview Lab → · Contrast checker → · Palette generator →