#B22A31#B22A31

#B22A31 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.5% C 0.172 H 23.5°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B22A31
RGB	rgb(178, 42, 49)
HSL	hsl(357, 62%, 43%)
HSV	hsv(357, 76%, 70%)
CMYK	cmyk(0%, 76.4%, 72.5%, 30.2%)
CIE-LAB	lab(40.16, 54.07, 30.03)
CIE-LCH	lch(40.16, 61.85, 29.05°)
OKLab	oklab(50.51% 0.1578 0.0685)
OKLCH	oklch(50.51% 0.172 23.5)
XYZ	xyz(19.7447, 11.3457, 4.0554)
Luminance	0.1134 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22A31 #2AB2AB

analogous

#B22A75 #B22A31 #B2672A

triadic

#B22A31 #31B22A #2A31B2

tetradic

#B22A31 #75B22A #2AB2AB #672AB2

square

#B22A31 #75B22A #2AB2AB #672AB2

split-complementary

#B22A31 #2AB267 #2A75B2

monochromatic

#4F1316 #801E23 #B22A31 #D3464D #DF777D

Accessibility & contrast

On white

6.42

#B22A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B22A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22A31

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22A31	#FFFFFF	#000000	##FFFFFF
##B22A31	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)

#534C30

Deuteranopia (green-blind)

#75692C

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22a31;
/* rgb */ color: rgb(178, 42, 49);
/* oklch */ color: oklch(50.5% 0.172 23.5);

Tailwind

colors: {
  custom: {
    50: '#d16f69',
    500: '#b22a31',
    950: '#000000',
  },
}

SCSS

$custom: #b22a31;
$custom-light: #d16f69;
$custom-dark: #000000;

JSON

{
  "hex": "#b22a31",
  "rgb": {
    "r": 178,
    "g": 42,
    "b": 49
  },
  "hsl": {
    "h": 356.912,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50506,
    "c": 0.17202,
    "h": 23.5
  },
  "luminance": 0.11343
}

Semantic roles & 50–950 ramp

primary

#B22A31

secondary

#71C7C2

accent

#E5DD43

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22A31

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

Preview Lab → · Contrast checker → · Palette generator →