#B52B43#B52B43

#B52B43 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.173 H 16.5°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B52B43
RGB	rgb(181, 43, 67)
HSL	hsl(350, 62%, 44%)
HSV	hsv(350, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 63%, 29%)
CIE-LAB	lab(41.15, 55.61, 20.31)
CIE-LCH	lch(41.15, 59.21, 20.06°)
OKLab	oklab(51.44% 0.1662 0.0491)
OKLCH	oklch(51.44% 0.173 16.5)
XYZ	xyz(20.9352, 11.9599, 6.5152)
Luminance	0.1196 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B43 #2BB59D

analogous

#B52B88 #B52B43 #B5582B

triadic

#B52B43 #43B52B #2B43B5

tetradic

#B52B43 #88B52B #2BB59D #582BB5

square

#B52B43 #88B52B #2BB59D #582BB5

split-complementary

#B52B43 #2BB558 #2B88B5

monochromatic

#52141E #841F31 #B52B43 #D44961 #E07B8C

Accessibility & contrast

On white

6.19

#B52B43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B52B43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B43

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B43	#FFFFFF	#000000	##FFFFFF
##B52B43	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)

#524F43

Deuteranopia (green-blind)

#756B3F

Tritanopia (blue-blind)

#C70035

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52b43;
/* rgb */ color: rgb(181, 43, 67);
/* oklch */ color: oklch(51.4% 0.173 16.5);

Tailwind

colors: {
  custom: {
    50: '#d37176',
    500: '#b52b43',
    950: '#000000',
  },
}

SCSS

$custom: #b52b43;
$custom-light: #d37176;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b43",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 67
  },
  "hsl": {
    "h": 349.565,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51445,
    "c": 0.17327,
    "h": 16.5
  },
  "luminance": 0.11957
}

Semantic roles & 50–950 ramp

primary

#B52B43

secondary

#74C8B9

accent

#E5C943

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B52B43

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

Preview Lab → · Contrast checker → · Palette generator →