#B22A2A#B22A2A

#B22A2A is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.173 H 26.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B22A2A
RGB	rgb(178, 42, 42)
HSL	hsl(0, 62%, 43%)
HSV	hsv(0, 76%, 70%)
CMYK	cmyk(0%, 76.4%, 76.4%, 30.2%)
CIE-LAB	lab(40.07, 53.77, 34.08)
CIE-LCH	lch(40.07, 63.66, 32.36°)
OKLab	oklab(50.41% 0.1553 0.0757)
OKLCH	oklch(50.41% 0.173 26)
XYZ	xyz(19.6083, 11.2912, 3.3370)
Luminance	0.1129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22A2A #2AB2B2

analogous

#B22A6E #B22A2A #B26E2A

triadic

#B22A2A #2AB22A #2A2AB2

tetradic

#B22A2A #6EB22A #2AB2B2 #6E2AB2

square

#B22A2A #6EB22A #2AB2B2 #6E2AB2

split-complementary

#B22A2A #2AB26E #2A6EB2

monochromatic

#4F1313 #801E1E #B22A2A #D34646 #DF7777

Accessibility & contrast

On white

6.45

#B22A2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B22A2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22A2A

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22A2A	#FFFFFF	#000000	##FFFFFF
##B22A2A	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C28

Deuteranopia (green-blind)

#756925

Tritanopia (blue-blind)

#C4002C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22a2a;
/* rgb */ color: rgb(178, 42, 42);
/* oklch */ color: oklch(50.4% 0.173 26.0);

Tailwind

colors: {
  custom: {
    50: '#d26f64',
    500: '#b22a2a',
    950: '#000000',
  },
}

SCSS

$custom: #b22a2a;
$custom-light: #d26f64;
$custom-dark: #000000;

JSON

{
  "hex": "#b22a2a",
  "rgb": {
    "r": 178,
    "g": 42,
    "b": 42
  },
  "hsl": {
    "h": 0,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5041,
    "c": 0.17278,
    "h": 26
  },
  "luminance": 0.11288
}

Semantic roles & 50–950 ramp

primary

#B22A2A

secondary

#71C7C7

accent

#E5E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22A2A

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

Preview Lab → · Contrast checker → · Palette generator →