#B22F2B#B22F2B

#B22F2B is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.168 H 26.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#B22F2B
RGB	rgb(178, 47, 43)
HSL	hsl(2, 61%, 43%)
HSV	hsv(2, 76%, 70%)
CMYK	cmyk(0%, 73.6%, 75.8%, 30.2%)
CIE-LAB	lab(40.70, 52.10, 34.19)
CIE-LCH	lch(40.70, 62.31, 33.27°)
OKLab	oklab(50.88% 0.1502 0.0762)
OKLCH	oklch(50.88% 0.168 26.9)
XYZ	xyz(19.8149, 11.6755, 3.4953)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22F2B #2BAEB2

analogous

#B22B6A #B22F2B #B2722B

triadic

#B22F2B #2BB22F #2F2BB2

tetradic

#B22F2B #6AB22B #2BAEB2 #722BB2

square

#B22F2B #6AB22B #2BAEB2 #722BB2

split-complementary

#B22F2B #2BB272 #2B6AB2

monochromatic

#4F1513 #81221F #B22F2B #D34C48 #DF7C79

Accessibility & contrast

On white

6.30

#B22F2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B22F2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22F2B

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22F2B	#FFFFFF	#000000	##FFFFFF
##B22F2B	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E29

Deuteranopia (green-blind)

#766A26

Tritanopia (blue-blind)

#C40030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b22f2b;
/* rgb */ color: rgb(178, 47, 43);
/* oklch */ color: oklch(50.9% 0.168 26.9);

Tailwind

colors: {
  custom: {
    50: '#d27165',
    500: '#b22f2b',
    950: '#000000',
  },
}

SCSS

$custom: #b22f2b;
$custom-light: #d27165;
$custom-dark: #000000;

JSON

{
  "hex": "#b22f2b",
  "rgb": {
    "r": 178,
    "g": 47,
    "b": 43
  },
  "hsl": {
    "h": 1.778,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50882,
    "c": 0.16846,
    "h": 26.9
  },
  "luminance": 0.11672
}

Semantic roles & 50–950 ramp

primary

#B22F2B

secondary

#72C4C7

accent

#DFE444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22F2B

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

Preview Lab → · Contrast checker → · Palette generator →