#B22B2A#B22B2A

#B22B2A is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.172 H 26.2°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B22B2A
RGB	rgb(178, 43, 42)
HSL	hsl(0, 62%, 43%)
HSV	hsv(0, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 76.4%, 30.2%)
CIE-LAB	lab(40.19, 53.44, 34.21)
CIE-LCH	lch(40.19, 63.45, 32.62°)
OKLab	oklab(50.5% 0.1543 0.076)
OKLCH	oklch(50.5% 0.172 26.2)
XYZ	xyz(19.6442, 11.3630, 3.3490)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B2A #2AB1B2

analogous

#B22A6D #B22B2A #B26F2A

triadic

#B22B2A #2AB22B #2B2AB2

tetradic

#B22B2A #6DB22A #2AB1B2 #6F2AB2

square

#B22B2A #6DB22A #2AB1B2 #6F2AB2

split-complementary

#B22B2A #2AB26F #2A6DB2

monochromatic

#4F1313 #801F1E #B22B2A #D34746 #DF7877

Accessibility & contrast

On white

6.42

#B22B2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B22B2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B2A

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B2A	#FFFFFF	#000000	##FFFFFF
##B22B2A	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C28

Deuteranopia (green-blind)

#756925

Tritanopia (blue-blind)

#C4002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b2a;
/* rgb */ color: rgb(178, 43, 42);
/* oklch */ color: oklch(50.5% 0.172 26.2);

Tailwind

colors: {
  custom: {
    50: '#d27064',
    500: '#b22b2a',
    950: '#000000',
  },
}

SCSS

$custom: #b22b2a;
$custom-light: #d27064;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b2a",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 42
  },
  "hsl": {
    "h": 0.441,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50498,
    "c": 0.17197,
    "h": 26.2
  },
  "luminance": 0.1136
}

Semantic roles & 50–950 ramp

primary

#B22B2A

secondary

#71C6C7

accent

#E4E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22B2A

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

Preview Lab → · Contrast checker → · Palette generator →