#B7322A#B7322A

#B7322A is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.171 H 28.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#B7322A
RGB	rgb(183, 50, 42)
HSL	hsl(3, 63%, 44%)
HSV	hsv(3, 77%, 72%)
CMYK	cmyk(0%, 72.7%, 77%, 28.2%)
CIE-LAB	lab(42.03, 52.57, 36.48)
CIE-LCH	lch(42.03, 63.99, 34.76°)
OKLab	oklab(52.05% 0.1509 0.0806)
OKLCH	oklch(52.05% 0.171 28.1)
XYZ	xyz(21.0894, 12.5189, 3.4960)
Luminance	0.1252 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7322A #2AAFB7

analogous

#B72A69 #B7322A #B7792A

triadic

#B7322A #2AB732 #322AB7

tetradic

#B7322A #69B72A #2AAFB7 #792AB7

square

#B7322A #69B72A #2AAFB7 #792AB7

split-complementary

#B7322A #2AB779 #2A69B7

monochromatic

#531713 #85241F #B7322A #D55149 #E1817B

Accessibility & contrast

On white

5.99

#B7322A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B7322A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7322A

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7322A	#FFFFFF	#000000	##FFFFFF
##B7322A	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595128

Deuteranopia (green-blind)

#7A6E25

Tritanopia (blue-blind)

#CA0032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b7322a;
/* rgb */ color: rgb(183, 50, 42);
/* oklch */ color: oklch(52.0% 0.171 28.1);

Tailwind

colors: {
  custom: {
    50: '#d57364',
    500: '#b7322a',
    950: '#000000',
  },
}

SCSS

$custom: #b7322a;
$custom-light: #d57364;
$custom-dark: #000000;

JSON

{
  "hex": "#b7322a",
  "rgb": {
    "r": 183,
    "g": 50,
    "b": 42
  },
  "hsl": {
    "h": 3.404,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52047,
    "c": 0.17109,
    "h": 28.1
  },
  "luminance": 0.12516
}

Semantic roles & 50–950 ramp

primary

#B7322A

secondary

#74C4C9

accent

#DCE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B7322A

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

Preview Lab → · Contrast checker → · Palette generator →