#B22929#B22929

#B22929 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.174 H 26.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#B22929
RGB	rgb(178, 41, 41)
HSL	hsl(0, 63%, 43%)
HSV	hsv(0, 77%, 70%)
CMYK	cmyk(0%, 77%, 77%, 30.2%)
CIE-LAB	lab(39.94, 54.06, 34.52)
CIE-LCH	lch(39.94, 64.14, 32.56°)
OKLab	oklab(50.31% 0.156 0.0764)
OKLCH	oklch(50.31% 0.174 26.1)
XYZ	xyz(19.5556, 11.2140, 3.2322)
Luminance	0.1121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22929 #29B2B2

analogous

#B2296D #B22929 #B26D29

triadic

#B22929 #29B229 #2929B2

tetradic

#B22929 #6DB229 #29B2B2 #6D29B2

square

#B22929 #6DB229 #29B2B2 #6D29B2

split-complementary

#B22929 #29B26D #296DB2

monochromatic

#4F1212 #801E1E #B22929 #D44444 #DF7676

Accessibility & contrast

On white

6.48

#B22929 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B22929 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22929

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22929	#FFFFFF	#000000	##FFFFFF
##B22929	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B27

Deuteranopia (green-blind)

#756923

Tritanopia (blue-blind)

#C4002B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22929;
/* rgb */ color: rgb(178, 41, 41);
/* oklch */ color: oklch(50.3% 0.174 26.1);

Tailwind

colors: {
  custom: {
    50: '#d26f63',
    500: '#b22929',
    950: '#000000',
  },
}

SCSS

$custom: #b22929;
$custom-light: #d26f63;
$custom-dark: #000000;

JSON

{
  "hex": "#b22929",
  "rgb": {
    "r": 178,
    "g": 41,
    "b": 41
  },
  "hsl": {
    "h": 0,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50311,
    "c": 0.1737,
    "h": 26.1
  },
  "luminance": 0.11211
}

Semantic roles & 50–950 ramp

primary

#B22929

secondary

#70C7C7

accent

#E6E642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22929

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

Preview Lab → · Contrast checker → · Palette generator →