#B52A31#B52A31

#B52A31 is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.175 H 23.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#B52A31
RGB	rgb(181, 42, 49)
HSL	hsl(357, 62%, 44%)
HSV	hsv(357, 77%, 71%)
CMYK	cmyk(0%, 76.8%, 72.9%, 29%)
CIE-LAB	lab(40.74, 54.98, 30.86)
CIE-LCH	lch(40.74, 63.05, 29.31°)
OKLab	oklab(51.05% 0.1603 0.0702)
OKLCH	oklch(51.05% 0.175 23.6)
XYZ	xyz(20.4408, 11.7046, 4.0881)
Luminance	0.1170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52A31 #2AB5AE

analogous

#B52A76 #B52A31 #B5682A

triadic

#B52A31 #31B52A #2A31B5

tetradic

#B52A31 #76B52A #2AB5AE #682AB5

square

#B52A31 #76B52A #2AB5AE #682AB5

split-complementary

#B52A31 #2AB568 #2A76B5

monochromatic

#521316 #831E24 #B52A31 #D4484F #E0797F

Accessibility & contrast

On white

6.29

#B52A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B52A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52A31

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52A31	#FFFFFF	#000000	##FFFFFF
##B52A31	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D30

Deuteranopia (green-blind)

#766B2C

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52a31;
/* rgb */ color: rgb(181, 42, 49);
/* oklch */ color: oklch(51.0% 0.175 23.6);

Tailwind

colors: {
  custom: {
    50: '#d47069',
    500: '#b52a31',
    950: '#000000',
  },
}

SCSS

$custom: #b52a31;
$custom-light: #d47069;
$custom-dark: #000000;

JSON

{
  "hex": "#b52a31",
  "rgb": {
    "r": 181,
    "g": 42,
    "b": 49
  },
  "hsl": {
    "h": 356.978,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51046,
    "c": 0.17498,
    "h": 23.6
  },
  "luminance": 0.11701
}

Semantic roles & 50–950 ramp

primary

#B52A31

secondary

#73C8C4

accent

#E5DD42

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52A31

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

Preview Lab → · Contrast checker → · Palette generator →