#B22A29#B22A29

#B22A29 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.173 H 26.3°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B22A29
RGB	rgb(178, 42, 41)
HSL	hsl(0, 63%, 43%)
HSV	hsv(0, 77%, 70%)
CMYK	cmyk(0%, 76.4%, 77%, 30.2%)
CIE-LAB	lab(40.05, 53.74, 34.65)
CIE-LCH	lch(40.05, 63.94, 32.81°)
OKLab	oklab(50.4% 0.155 0.0767)
OKLCH	oklch(50.4% 0.173 26.3)
XYZ	xyz(19.5906, 11.2841, 3.2439)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22A29 #29B1B2

analogous

#B2296C #B22A29 #B26E29

triadic

#B22A29 #29B22A #2A29B2

tetradic

#B22A29 #6CB229 #29B1B2 #6E29B2

square

#B22A29 #6CB229 #29B1B2 #6E29B2

split-complementary

#B22A29 #29B26E #296CB2

monochromatic

#4F1312 #801E1E #B22A29 #D44544 #DF7776

Accessibility & contrast

On white

6.45

#B22A29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B22A29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22A29

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22A29	#FFFFFF	#000000	##FFFFFF
##B22A29	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)

#544C27

Deuteranopia (green-blind)

#756923

Tritanopia (blue-blind)

#C4002C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22a29;
/* rgb */ color: rgb(178, 42, 41);
/* oklch */ color: oklch(50.4% 0.173 26.3);

Tailwind

colors: {
  custom: {
    50: '#d26f63',
    500: '#b22a29',
    950: '#000000',
  },
}

SCSS

$custom: #b22a29;
$custom-light: #d26f63;
$custom-dark: #000000;

JSON

{
  "hex": "#b22a29",
  "rgb": {
    "r": 178,
    "g": 42,
    "b": 41
  },
  "hsl": {
    "h": 0.438,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50397,
    "c": 0.17291,
    "h": 26.3
  },
  "luminance": 0.11281
}

Semantic roles & 50–950 ramp

primary

#B22A29

secondary

#70C6C7

accent

#E4E642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22A29

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

Preview Lab → · Contrast checker → · Palette generator →