#B52C2D#B52C2D

#B52C2D is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.2% C 0.174 H 25.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B52C2D
RGB	rgb(181, 44, 45)
HSL	hsl(360, 61%, 44%)
HSV	hsv(360, 76%, 71%)
CMYK	cmyk(0%, 75.7%, 75.1%, 29%)
CIE-LAB	lab(40.93, 54.16, 33.44)
CIE-LCH	lch(40.93, 63.65, 31.69°)
OKLab	oklab(51.17% 0.1568 0.0749)
OKLCH	oklch(51.17% 0.174 25.5)
XYZ	xyz(20.4328, 11.8178, 3.6873)
Luminance	0.1182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52C2D #2CB5B4

analogous

#B52C72 #B52C2D #B5702C

triadic

#B52C2D #2DB52C #2C2DB5

tetradic

#B52C2D #72B52C #2CB5B4 #702CB5

square

#B52C2D #72B52C #2CB5B4 #702CB5

split-complementary

#B52C2D #2CB570 #2C72B5

monochromatic

#531415 #842021 #B52C2D #D34B4C #DF7C7D

Accessibility & contrast

On white

6.24

#B52C2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B52C2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52C2D

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52C2D	#FFFFFF	#000000	##FFFFFF
##B52C2D	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E2B

Deuteranopia (green-blind)

#776B28

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52c2d;
/* rgb */ color: rgb(181, 44, 45);
/* oklch */ color: oklch(51.2% 0.174 25.5);

Tailwind

colors: {
  custom: {
    50: '#d47166',
    500: '#b52c2d',
    950: '#000000',
  },
}

SCSS

$custom: #b52c2d;
$custom-light: #d47166;
$custom-dark: #000000;

JSON

{
  "hex": "#b52c2d",
  "rgb": {
    "r": 181,
    "g": 44,
    "b": 45
  },
  "hsl": {
    "h": 359.562,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51165,
    "c": 0.17376,
    "h": 25.5
  },
  "luminance": 0.11815
}

Semantic roles & 50–950 ramp

primary

#B52C2D

secondary

#75C8C7

accent

#E4E344

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52C2D

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

Preview Lab → · Contrast checker → · Palette generator →