#B22A33#B22A33

#B22A33 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.172 H 22.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B22A33
RGB	rgb(178, 42, 51)
HSL	hsl(356, 62%, 43%)
HSV	hsv(356, 76%, 70%)
CMYK	cmyk(0%, 76.4%, 71.3%, 30.2%)
CIE-LAB	lab(40.19, 54.16, 28.85)
CIE-LCH	lch(40.19, 61.37, 28.05°)
OKLab	oklab(50.54% 0.1585 0.0663)
OKLCH	oklch(50.54% 0.172 22.7)
XYZ	xyz(19.7879, 11.3630, 4.2827)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22A33 #2AB2A9

analogous

#B22A77 #B22A33 #B2652A

triadic

#B22A33 #33B22A #2A33B2

tetradic

#B22A33 #77B22A #2AB2A9 #652AB2

square

#B22A33 #77B22A #2AB2A9 #652AB2

split-complementary

#B22A33 #2AB265 #2A77B2

monochromatic

#4F1317 #801E25 #B22A33 #D3464F #DF777E

Accessibility & contrast

On white

6.42

#B22A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B22A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22A33

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22A33	#FFFFFF	#000000	##FFFFFF
##B22A33	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)

#524C32

Deuteranopia (green-blind)

#74692E

Tritanopia (blue-blind)

#C4002F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22a33;
/* rgb */ color: rgb(178, 42, 51);
/* oklch */ color: oklch(50.5% 0.172 22.7);

Tailwind

colors: {
  custom: {
    50: '#d16f6a',
    500: '#b22a33',
    950: '#000000',
  },
}

SCSS

$custom: #b22a33;
$custom-light: #d16f6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b22a33",
  "rgb": {
    "r": 178,
    "g": 42,
    "b": 51
  },
  "hsl": {
    "h": 356.029,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50536,
    "c": 0.17183,
    "h": 22.7
  },
  "luminance": 0.1136
}

Semantic roles & 50–950 ramp

primary

#B22A33

secondary

#71C7C1

accent

#E5DA43

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22A33

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

Preview Lab → · Contrast checker → · Palette generator →