#B52F43#B52F43

#B52F43 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.170 H 17.3°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B52F43
RGB	rgb(181, 47, 67)
HSL	hsl(351, 59%, 45%)
HSV	hsv(351, 74%, 71%)
CMYK	cmyk(0%, 74%, 63%, 29%)
CIE-LAB	lab(41.63, 54.27, 20.94)
CIE-LCH	lch(41.63, 58.17, 21.10°)
OKLab	oklab(51.8% 0.1618 0.0506)
OKLCH	oklch(51.8% 0.17 17.3)
XYZ	xyz(21.0879, 12.2651, 6.5661)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F43 #2FB5A1

analogous

#B52F86 #B52F43 #B55E2F

triadic

#B52F43 #43B52F #2F43B5

tetradic

#B52F43 #86B52F #2FB5A1 #5E2FB5

square

#B52F43 #86B52F #2FB5A1 #5E2FB5

split-complementary

#B52F43 #2FB55E #2F86B5

monochromatic

#54161F #842231 #B52F43 #D15063 #DE808E

Accessibility & contrast

On white

6.08

#B52F43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B52F43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F43

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F43	#FFFFFF	#000000	##FFFFFF
##B52F43	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545043

Deuteranopia (green-blind)

#766C3F

Tritanopia (blue-blind)

#C70038

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b52f43;
/* rgb */ color: rgb(181, 47, 67);
/* oklch */ color: oklch(51.8% 0.170 17.3);

Tailwind

colors: {
  custom: {
    50: '#d27277',
    500: '#b52f43',
    950: '#000000',
  },
}

SCSS

$custom: #b52f43;
$custom-light: #d27277;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f43",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 67
  },
  "hsl": {
    "h": 351.045,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51803,
    "c": 0.16955,
    "h": 17.3
  },
  "luminance": 0.12262
}

Semantic roles & 50–950 ramp

primary

#B52F43

secondary

#79C7BB

accent

#E2CB46

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B52F43

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

Preview Lab → · Contrast checker → · Palette generator →