#B52B3E#B52B3E

#B52B3E is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.173 H 18.7°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B52B3E
RGB	rgb(181, 43, 62)
HSL	hsl(352, 62%, 44%)
HSV	hsv(352, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 65.7%, 29%)
CIE-LAB	lab(41.06, 55.32, 23.31)
CIE-LCH	lch(41.06, 60.03, 22.85°)
OKLab	oklab(51.35% 0.1642 0.0554)
OKLCH	oklch(51.35% 0.173 18.7)
XYZ	xyz(20.7917, 11.9024, 5.7591)
Luminance	0.1190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B3E #2BB5A2

analogous

#B52B83 #B52B3E #B55D2B

triadic

#B52B3E #3EB52B #2B3EB5

tetradic

#B52B3E #83B52B #2BB5A2 #5D2BB5

square

#B52B3E #83B52B #2BB5A2 #5D2BB5

split-complementary

#B52B3E #2BB55D #2B83B5

monochromatic

#52141C #841F2D #B52B3E #D4495C #E07B89

Accessibility & contrast

On white

6.21

#B52B3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B52B3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B3E

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B3E	#FFFFFF	#000000	##FFFFFF
##B52B3E	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E3E

Deuteranopia (green-blind)

#766B3A

Tritanopia (blue-blind)

#C70033

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52b3e;
/* rgb */ color: rgb(181, 43, 62);
/* oklch */ color: oklch(51.3% 0.173 18.7);

Tailwind

colors: {
  custom: {
    50: '#d37073',
    500: '#b52b3e',
    950: '#000000',
  },
}

SCSS

$custom: #b52b3e;
$custom-light: #d37073;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b3e",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 62
  },
  "hsl": {
    "h": 351.739,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51347,
    "c": 0.1733,
    "h": 18.7
  },
  "luminance": 0.11899
}

Semantic roles & 50–950 ramp

primary

#B52B3E

secondary

#74C8BC

accent

#E5CE43

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160808

muted

#847B7B

Preview Lab

Preview with #B52B3E

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

Preview Lab → · Contrast checker → · Palette generator →