#B52F33#B52F33

#B52F33 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.171 H 24.1°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B52F33
RGB	rgb(181, 47, 51)
HSL	hsl(358, 59%, 45%)
HSV	hsv(358, 74%, 71%)
CMYK	cmyk(0%, 74%, 71.8%, 29%)
CIE-LAB	lab(41.37, 53.39, 30.40)
CIE-LCH	lch(41.37, 61.44, 29.66°)
OKLab	oklab(51.52% 0.1557 0.0696)
OKLCH	oklch(51.52% 0.171 24.1)
XYZ	xyz(20.6724, 12.0990, 4.3782)
Luminance	0.1210 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F33 #2FB5B1

analogous

#B52F76 #B52F33 #B56E2F

triadic

#B52F33 #33B52F #2F33B5

tetradic

#B52F33 #76B52F #2FB5B1 #6E2FB5

square

#B52F33 #76B52F #2FB5B1 #6E2FB5

split-complementary

#B52F33 #2FB56E #2F76B5

monochromatic

#541618 #842225 #B52F33 #D15054 #DE8083

Accessibility & contrast

On white

6.14

#B52F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B52F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F33

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F33	#FFFFFF	#000000	##FFFFFF
##B52F33	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#786C2E

Tritanopia (blue-blind)

#C70032

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b52f33;
/* rgb */ color: rgb(181, 47, 51);
/* oklch */ color: oklch(51.5% 0.171 24.1);

Tailwind

colors: {
  custom: {
    50: '#d3726b',
    500: '#b52f33',
    950: '#000000',
  },
}

SCSS

$custom: #b52f33;
$custom-light: #d3726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f33",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 51
  },
  "hsl": {
    "h": 358.209,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51524,
    "c": 0.17051,
    "h": 24.1
  },
  "luminance": 0.12096
}

Semantic roles & 50–950 ramp

primary

#B52F33

secondary

#79C7C5

accent

#E2DD46

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B52F33

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

Preview Lab → · Contrast checker → · Palette generator →