#B22A2C#B22A2C

#B22A2C is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.173 H 25.3°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#B22A2C
RGB	rgb(178, 42, 44)
HSL	hsl(359, 62%, 43%)
HSV	hsv(359, 76%, 70%)
CMYK	cmyk(0%, 76.4%, 75.3%, 30.2%)
CIE-LAB	lab(40.09, 53.85, 32.93)
CIE-LCH	lch(40.09, 63.13, 31.45°)
OKLab	oklab(50.44% 0.156 0.0738)
OKLCH	oklch(50.44% 0.173 25.3)
XYZ	xyz(19.6450, 11.3058, 3.5302)
Luminance	0.1130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22A2C #2AB2B0

analogous

#B22A70 #B22A2C #B26C2A

triadic

#B22A2C #2CB22A #2A2CB2

tetradic

#B22A2C #70B22A #2AB2B0 #6C2AB2

square

#B22A2C #70B22A #2AB2B0 #6C2AB2

split-complementary

#B22A2C #2AB26C #2A70B2

monochromatic

#4F1314 #801E20 #B22A2C #D34648 #DF7779

Accessibility & contrast

On white

6.44

#B22A2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B22A2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22A2C

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22A2C	#FFFFFF	#000000	##FFFFFF
##B22A2C	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)

#534C2B

Deuteranopia (green-blind)

#756927

Tritanopia (blue-blind)

#C4002D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22a2c;
/* rgb */ color: rgb(178, 42, 44);
/* oklch */ color: oklch(50.4% 0.173 25.3);

Tailwind

colors: {
  custom: {
    50: '#d26f65',
    500: '#b22a2c',
    950: '#000000',
  },
}

SCSS

$custom: #b22a2c;
$custom-light: #d26f65;
$custom-dark: #000000;

JSON

{
  "hex": "#b22a2c",
  "rgb": {
    "r": 178,
    "g": 42,
    "b": 44
  },
  "hsl": {
    "h": 359.118,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50436,
    "c": 0.17255,
    "h": 25.3
  },
  "luminance": 0.11303
}

Semantic roles & 50–950 ramp

primary

#B22A2C

secondary

#71C7C6

accent

#E5E343

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22A2C

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

Preview Lab → · Contrast checker → · Palette generator →