#B53132#B53132

#B53132 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.169 H 25.0°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B53132
RGB	rgb(181, 49, 50)
HSL	hsl(360, 57%, 45%)
HSV	hsv(360, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 72.4%, 29%)
CIE-LAB	lab(41.62, 52.63, 31.28)
CIE-LCH	lch(41.62, 61.23, 30.72°)
OKLab	oklab(51.7% 0.1531 0.0713)
OKLCH	oklch(51.7% 0.169 25)
XYZ	xyz(20.7324, 12.2538, 4.2905)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53132 #31B5B4

analogous

#B53174 #B53132 #B57231

triadic

#B53132 #32B531 #3132B5

tetradic

#B53132 #74B531 #31B5B4 #7231B5

square

#B53132 #74B531 #31B5B4 #7231B5

split-complementary

#B53132 #31B572 #3174B5

monochromatic

#551717 #852425 #B53132 #D05354 #DD8384

Accessibility & contrast

On white

6.09

#B53132 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B53132 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53132

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53132	#FFFFFF	#000000	##FFFFFF
##B53132	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575031

Deuteranopia (green-blind)

#786D2D

Tritanopia (blue-blind)

#C70033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53132;
/* rgb */ color: rgb(181, 49, 50);
/* oklch */ color: oklch(51.7% 0.169 25.0);

Tailwind

colors: {
  custom: {
    50: '#d3736a',
    500: '#b53132',
    950: '#000000',
  },
}

SCSS

$custom: #b53132;
$custom-light: #d3736a;
$custom-dark: #000000;

JSON

{
  "hex": "#b53132",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 50
  },
  "hsl": {
    "h": 359.545,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51701,
    "c": 0.16885,
    "h": 25
  },
  "luminance": 0.12251
}

Semantic roles & 50–950 ramp

primary

#B53132

secondary

#7BC7C6

accent

#E1DF47

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53132

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

Preview Lab → · Contrast checker → · Palette generator →