#B52B2A#B52B2A

#B52B2A is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.175 H 26.3°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B52B2A
RGB	rgb(181, 43, 42)
HSL	hsl(0, 62%, 44%)
HSV	hsv(0, 77%, 71%)
CMYK	cmyk(0%, 76.2%, 76.8%, 29%)
CIE-LAB	lab(40.77, 54.37, 35.01)
CIE-LCH	lch(40.77, 64.67, 32.78°)
OKLab	oklab(51.04% 0.1568 0.0775)
OKLCH	oklch(51.04% 0.175 26.3)
XYZ	xyz(20.3403, 11.7219, 3.3816)
Luminance	0.1172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B2A #2AB4B5

analogous

#B52A6E #B52B2A #B5702A

triadic

#B52B2A #2AB52B #2B2AB5

tetradic

#B52B2A #6EB52A #2AB4B5 #702AB5

square

#B52B2A #6EB52A #2AB4B5 #702AB5

split-complementary

#B52B2A #2AB570 #2A6EB5

monochromatic

#521313 #831F1E #B52B2A #D44948 #E07A79

Accessibility & contrast

On white

6.28

#B52B2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B52B2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B2A

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B2A	#FFFFFF	#000000	##FFFFFF
##B52B2A	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D28

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#C7002D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52b2a;
/* rgb */ color: rgb(181, 43, 42);
/* oklch */ color: oklch(51.0% 0.175 26.3);

Tailwind

colors: {
  custom: {
    50: '#d47064',
    500: '#b52b2a',
    950: '#000000',
  },
}

SCSS

$custom: #b52b2a;
$custom-light: #d47064;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b2a",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 42
  },
  "hsl": {
    "h": 0.432,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51039,
    "c": 0.17495,
    "h": 26.3
  },
  "luminance": 0.11719
}

Semantic roles & 50–950 ramp

primary

#B52B2A

secondary

#73C7C8

accent

#E4E542

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B52B2A

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

Preview Lab → · Contrast checker → · Palette generator →