#B52B40#B52B40

#B52B40 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.4% C 0.173 H 17.8°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B52B40
RGB	rgb(181, 43, 64)
HSL	hsl(351, 62%, 44%)
HSV	hsv(351, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 64.6%, 29%)
CIE-LAB	lab(41.10, 55.43, 22.11)
CIE-LCH	lch(41.10, 59.68, 21.74°)
OKLab	oklab(51.39% 0.165 0.0529)
OKLCH	oklch(51.39% 0.173 17.8)
XYZ	xyz(20.8476, 11.9248, 6.0535)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B40 #2BB5A0

analogous

#B52B85 #B52B40 #B55B2B

triadic

#B52B40 #40B52B #2B40B5

tetradic

#B52B40 #85B52B #2BB5A0 #5B2BB5

square

#B52B40 #85B52B #2BB5A0 #5B2BB5

split-complementary

#B52B40 #2BB55B #2B85B5

monochromatic

#52141D #841F2F #B52B40 #D4495E #E07B8A

Accessibility & contrast

On white

6.20

#B52B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B52B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B40

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B40	#FFFFFF	#000000	##FFFFFF
##B52B40	1.00	6.20	3.38	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E40

Deuteranopia (green-blind)

#756B3C

Tritanopia (blue-blind)

#C70034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52b40;
/* rgb */ color: rgb(181, 43, 64);
/* oklch */ color: oklch(51.4% 0.173 17.8);

Tailwind

colors: {
  custom: {
    50: '#d37174',
    500: '#b52b40',
    950: '#000000',
  },
}

SCSS

$custom: #b52b40;
$custom-light: #d37174;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b40",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 64
  },
  "hsl": {
    "h": 350.87,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51385,
    "c": 0.17326,
    "h": 17.8
  },
  "luminance": 0.11922
}

Semantic roles & 50–950 ramp

primary

#B52B40

secondary

#74C8BB

accent

#E5CC43

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160808

muted

#847B7B

Preview Lab

Preview with #B52B40

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

Preview Lab → · Contrast checker → · Palette generator →