#B22A2B#B22A2B

#B22A2B is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.173 H 25.7°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#B22A2B
RGB	rgb(178, 42, 43)
HSL	hsl(360, 62%, 43%)
HSV	hsv(360, 76%, 70%)
CMYK	cmyk(0%, 76.4%, 75.8%, 30.2%)
CIE-LAB	lab(40.08, 53.81, 33.51)
CIE-LCH	lch(40.08, 63.39, 31.91°)
OKLab	oklab(50.42% 0.1556 0.0748)
OKLCH	oklch(50.42% 0.173 25.7)
XYZ	xyz(19.6264, 11.2984, 3.4324)
Luminance	0.1129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22A2B #2AB2B1

analogous

#B22A6F #B22A2B #B26D2A

triadic

#B22A2B #2BB22A #2A2BB2

tetradic

#B22A2B #6FB22A #2AB2B1 #6D2AB2

square

#B22A2B #6FB22A #2AB2B1 #6D2AB2

split-complementary

#B22A2B #2AB26D #2A6FB2

monochromatic

#4F1313 #801E1F #B22A2B #D34647 #DF7778

Accessibility & contrast

On white

6.44

#B22A2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B22A2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22A2B

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22A2B	#FFFFFF	#000000	##FFFFFF
##B22A2B	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C29

Deuteranopia (green-blind)

#756926

Tritanopia (blue-blind)

#C4002C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22a2b;
/* rgb */ color: rgb(178, 42, 43);
/* oklch */ color: oklch(50.4% 0.173 25.7);

Tailwind

colors: {
  custom: {
    50: '#d26f65',
    500: '#b22a2b',
    950: '#000000',
  },
}

SCSS

$custom: #b22a2b;
$custom-light: #d26f65;
$custom-dark: #000000;

JSON

{
  "hex": "#b22a2b",
  "rgb": {
    "r": 178,
    "g": 42,
    "b": 43
  },
  "hsl": {
    "h": 359.559,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50423,
    "c": 0.17266,
    "h": 25.7
  },
  "luminance": 0.11295
}

Semantic roles & 50–950 ramp

primary

#B22A2B

secondary

#71C7C6

accent

#E5E443

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22A2B

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

Preview Lab → · Contrast checker → · Palette generator →