#B52C3C#B52C3C

#B52C3C is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.172 H 19.7°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B52C3C
RGB	rgb(181, 44, 60)
HSL	hsl(353, 61%, 44%)
HSV	hsv(353, 76%, 71%)
CMYK	cmyk(0%, 75.7%, 66.9%, 29%)
CIE-LAB	lab(41.14, 54.88, 24.65)
CIE-LCH	lch(41.14, 60.16, 24.19°)
OKLab	oklab(51.4% 0.1624 0.0582)
OKLCH	oklch(51.4% 0.172 19.7)
XYZ	xyz(20.7746, 11.9545, 5.4876)
Luminance	0.1195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52C3C #2CB5A5

analogous

#B52C81 #B52C3C #B5612C

triadic

#B52C3C #3CB52C #2C3CB5

tetradic

#B52C3C #81B52C #2CB5A5 #612CB5

square

#B52C3C #81B52C #2CB5A5 #612CB5

split-complementary

#B52C3C #2CB561 #2C81B5

monochromatic

#53141B #84202C #B52C3C #D34B5B #DF7C88

Accessibility & contrast

On white

6.19

#B52C3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B52C3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52C3C

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52C3C	#FFFFFF	#000000	##FFFFFF
##B52C3C	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)

#544F3C

Deuteranopia (green-blind)

#766C38

Tritanopia (blue-blind)

#C70033

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52c3c;
/* rgb */ color: rgb(181, 44, 60);
/* oklch */ color: oklch(51.4% 0.172 19.7);

Tailwind

colors: {
  custom: {
    50: '#d37171',
    500: '#b52c3c',
    950: '#000000',
  },
}

SCSS

$custom: #b52c3c;
$custom-light: #d37171;
$custom-dark: #000000;

JSON

{
  "hex": "#b52c3c",
  "rgb": {
    "r": 181,
    "g": 44,
    "b": 60
  },
  "hsl": {
    "h": 352.993,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51398,
    "c": 0.17247,
    "h": 19.7
  },
  "luminance": 0.11951
}

Semantic roles & 50–950 ramp

primary

#B52C3C

secondary

#75C8BE

accent

#E4D144

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52C3C

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

Preview Lab → · Contrast checker → · Palette generator →