#B52F35#B52F35

#B52F35 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.170 H 23.3°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B52F35
RGB	rgb(181, 47, 53)
HSL	hsl(357, 59%, 45%)
HSV	hsv(357, 74%, 71%)
CMYK	cmyk(0%, 74%, 70.7%, 29%)
CIE-LAB	lab(41.40, 53.49, 29.23)
CIE-LCH	lch(41.40, 60.96, 28.66°)
OKLab	oklab(51.55% 0.1564 0.0674)
OKLCH	oklch(51.55% 0.17 23.3)
XYZ	xyz(20.7175, 12.1170, 4.6154)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F35 #2FB5AF

analogous

#B52F78 #B52F35 #B56C2F

triadic

#B52F35 #35B52F #2F35B5

tetradic

#B52F35 #78B52F #2FB5AF #6C2FB5

square

#B52F35 #78B52F #2FB5AF #6C2FB5

split-complementary

#B52F35 #2FB56C #2F78B5

monochromatic

#541619 #842227 #B52F35 #D15056 #DE8085

Accessibility & contrast

On white

6.14

#B52F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B52F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F35

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F35	#FFFFFF	#000000	##FFFFFF
##B52F35	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)

#564F34

Deuteranopia (green-blind)

#776C31

Tritanopia (blue-blind)

#C70033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b52f35;
/* rgb */ color: rgb(181, 47, 53);
/* oklch */ color: oklch(51.6% 0.170 23.3);

Tailwind

colors: {
  custom: {
    50: '#d3726c',
    500: '#b52f35',
    950: '#000000',
  },
}

SCSS

$custom: #b52f35;
$custom-light: #d3726c;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f35",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 53
  },
  "hsl": {
    "h": 357.313,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51554,
    "c": 0.17031,
    "h": 23.3
  },
  "luminance": 0.12114
}

Semantic roles & 50–950 ramp

primary

#B52F35

secondary

#79C7C4

accent

#E2DB46

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B52F35

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

Preview Lab → · Contrast checker → · Palette generator →