#B52C3E#B52C3E

#B52C3E is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.172 H 18.9°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B52C3E
RGB	rgb(181, 44, 62)
HSL	hsl(352, 61%, 44%)
HSV	hsv(352, 76%, 71%)
CMYK	cmyk(0%, 75.7%, 65.7%, 29%)
CIE-LAB	lab(41.18, 54.99, 23.45)
CIE-LCH	lch(41.18, 59.78, 23.10°)
OKLab	oklab(51.43% 0.1631 0.0558)
OKLCH	oklch(51.43% 0.172 18.9)
XYZ	xyz(20.8285, 11.9760, 5.7714)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52C3E #2CB5A3

analogous

#B52C83 #B52C3E #B55F2C

triadic

#B52C3E #3EB52C #2C3EB5

tetradic

#B52C3E #83B52C #2CB5A3 #5F2CB5

square

#B52C3E #83B52C #2CB5A3 #5F2CB5

split-complementary

#B52C3E #2CB55F #2C83B5

monochromatic

#53141C #84202D #B52C3E #D34B5D #DF7C89

Accessibility & contrast

On white

6.19

#B52C3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B52C3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52C3E

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52C3E	#FFFFFF	#000000	##FFFFFF
##B52C3E	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F3E

Deuteranopia (green-blind)

#766C3A

Tritanopia (blue-blind)

#C70034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52c3e;
/* rgb */ color: rgb(181, 44, 62);
/* oklch */ color: oklch(51.4% 0.172 18.9);

Tailwind

colors: {
  custom: {
    50: '#d37173',
    500: '#b52c3e',
    950: '#000000',
  },
}

SCSS

$custom: #b52c3e;
$custom-light: #d37173;
$custom-dark: #000000;

JSON

{
  "hex": "#b52c3e",
  "rgb": {
    "r": 181,
    "g": 44,
    "b": 62
  },
  "hsl": {
    "h": 352.117,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51434,
    "c": 0.1724,
    "h": 18.9
  },
  "luminance": 0.11973
}

Semantic roles & 50–950 ramp

primary

#B52C3E

secondary

#75C8BD

accent

#E4CF44

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160808

muted

#847B7B

Preview Lab

Preview with #B52C3E

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

Preview Lab → · Contrast checker → · Palette generator →