#B22A2F#B22A2F

#B22A2F is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.5% C 0.172 H 24.2°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#B22A2F
RGB	rgb(178, 42, 47)
HSL	hsl(358, 62%, 43%)
HSV	hsv(358, 76%, 70%)
CMYK	cmyk(0%, 76.4%, 73.6%, 30.2%)
CIE-LAB	lab(40.13, 53.98, 31.20)
CIE-LCH	lch(40.13, 62.35, 30.03°)
OKLab	oklab(50.48% 0.1571 0.0707)
OKLCH	oklch(50.48% 0.172 24.2)
XYZ	xyz(19.7034, 11.3292, 3.8381)
Luminance	0.1133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22A2F #2AB2AD

analogous

#B22A73 #B22A2F #B2692A

triadic

#B22A2F #2FB22A #2A2FB2

tetradic

#B22A2F #73B22A #2AB2AD #692AB2

square

#B22A2F #73B22A #2AB2AD #692AB2

split-complementary

#B22A2F #2AB269 #2A73B2

monochromatic

#4F1315 #801E22 #B22A2F #D3464B #DF777B

Accessibility & contrast

On white

6.43

#B22A2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B22A2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22A2F

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22A2F	#FFFFFF	#000000	##FFFFFF
##B22A2F	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C2E

Deuteranopia (green-blind)

#75692A

Tritanopia (blue-blind)

#C4002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22a2f;
/* rgb */ color: rgb(178, 42, 47);
/* oklch */ color: oklch(50.5% 0.172 24.2);

Tailwind

colors: {
  custom: {
    50: '#d26f67',
    500: '#b22a2f',
    950: '#000000',
  },
}

SCSS

$custom: #b22a2f;
$custom-light: #d26f67;
$custom-dark: #000000;

JSON

{
  "hex": "#b22a2f",
  "rgb": {
    "r": 178,
    "g": 42,
    "b": 47
  },
  "hsl": {
    "h": 357.794,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50477,
    "c": 0.17221,
    "h": 24.2
  },
  "luminance": 0.11326
}

Semantic roles & 50–950 ramp

primary

#B22A2F

secondary

#71C7C4

accent

#E5DF43

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22A2F

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

Preview Lab → · Contrast checker → · Palette generator →