#B52A37#B52A37

#B52A37 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.174 H 21.3°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B52A37
RGB	rgb(181, 42, 55)
HSL	hsl(354, 62%, 44%)
HSV	hsv(354, 77%, 71%)
CMYK	cmyk(0%, 76.8%, 69.6%, 29%)
CIE-LAB	lab(40.83, 55.27, 27.33)
CIE-LCH	lch(40.83, 61.65, 26.31°)
OKLab	oklab(51.14% 0.1625 0.0635)
OKLCH	oklch(51.14% 0.174 21.3)
XYZ	xyz(20.5759, 11.7587, 4.7999)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52A37 #2AB5A8

analogous

#B52A7C #B52A37 #B5622A

triadic

#B52A37 #37B52A #2A37B5

tetradic

#B52A37 #7CB52A #2AB5A8 #622AB5

square

#B52A37 #7CB52A #2AB5A8 #622AB5

split-complementary

#B52A37 #2AB562 #2A7CB5

monochromatic

#521319 #831E28 #B52A37 #D44855 #E07983

Accessibility & contrast

On white

6.27

#B52A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B52A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52A37

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52A37	#FFFFFF	#000000	##FFFFFF
##B52A37	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D36

Deuteranopia (green-blind)

#766B33

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52a37;
/* rgb */ color: rgb(181, 42, 55);
/* oklch */ color: oklch(51.1% 0.174 21.3);

Tailwind

colors: {
  custom: {
    50: '#d3706d',
    500: '#b52a37',
    950: '#000000',
  },
}

SCSS

$custom: #b52a37;
$custom-light: #d3706d;
$custom-dark: #000000;

JSON

{
  "hex": "#b52a37",
  "rgb": {
    "r": 181,
    "g": 42,
    "b": 55
  },
  "hsl": {
    "h": 354.388,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51139,
    "c": 0.17448,
    "h": 21.3
  },
  "luminance": 0.11756
}

Semantic roles & 50–950 ramp

primary

#B52A37

secondary

#73C8C0

accent

#E5D642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52A37

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

Preview Lab → · Contrast checker → · Palette generator →