#B22A28#B22A28

#B22A28 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.173 H 26.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B22A28
RGB	rgb(178, 42, 40)
HSL	hsl(1, 63%, 43%)
HSV	hsv(1, 78%, 70%)
CMYK	cmyk(0%, 76.4%, 77.5%, 30.2%)
CIE-LAB	lab(40.04, 53.70, 35.21)
CIE-LCH	lch(40.04, 64.21, 33.25°)
OKLab	oklab(50.39% 0.1546 0.0776)
OKLCH	oklch(50.39% 0.173 26.7)
XYZ	xyz(19.5734, 11.2772, 3.1532)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22A28 #28B0B2

analogous

#B2286B #B22A28 #B26F28

triadic

#B22A28 #28B22A #2A28B2

tetradic

#B22A28 #6BB228 #28B0B2 #6F28B2

square

#B22A28 #6BB228 #28B0B2 #6F28B2

split-complementary

#B22A28 #28B26F #286BB2

monochromatic

#4E1212 #801E1D #B22A28 #D54543 #E07675

Accessibility & contrast

On white

6.45

#B22A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B22A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22A28

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22A28	#FFFFFF	#000000	##FFFFFF
##B22A28	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B26

Deuteranopia (green-blind)

#756922

Tritanopia (blue-blind)

#C4002B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22a28;
/* rgb */ color: rgb(178, 42, 40);
/* oklch */ color: oklch(50.4% 0.173 26.7);

Tailwind

colors: {
  custom: {
    50: '#d26f62',
    500: '#b22a28',
    950: '#000000',
  },
}

SCSS

$custom: #b22a28;
$custom-light: #d26f62;
$custom-dark: #000000;

JSON

{
  "hex": "#b22a28",
  "rgb": {
    "r": 178,
    "g": 42,
    "b": 40
  },
  "hsl": {
    "h": 0.87,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50385,
    "c": 0.17304,
    "h": 26.7
  },
  "luminance": 0.11274
}

Semantic roles & 50–950 ramp

primary

#B22A28

secondary

#6FC6C7

accent

#E4E641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22A28

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

Preview Lab → · Contrast checker → · Palette generator →