#B22F31#B22F31

#B22F31 is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.168 H 24.7°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B22F31
RGB	rgb(178, 47, 49)
HSL	hsl(359, 58%, 44%)
HSV	hsv(359, 74%, 70%)
CMYK	cmyk(0%, 73.6%, 72.5%, 30.2%)
CIE-LAB	lab(40.77, 52.36, 30.75)
CIE-LCH	lch(40.77, 60.72, 30.42°)
OKLab	oklab(50.96% 0.1523 0.0701)
OKLCH	oklch(50.96% 0.168 24.7)
XYZ	xyz(19.9332, 11.7228, 4.1183)
Luminance	0.1172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22F31 #2FB2B0

analogous

#B22F73 #B22F31 #B26F2F

triadic

#B22F31 #31B22F #2F31B2

tetradic

#B22F31 #73B22F #2FB2B0 #6F2FB2

square

#B22F31 #73B22F #2FB2B0 #6F2FB2

split-complementary

#B22F31 #2FB26F #2F73B2

monochromatic

#511516 #822224 #B22F31 #D04E50 #DD7E80

Accessibility & contrast

On white

6.28

#B22F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B22F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22F31

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22F31	#FFFFFF	#000000	##FFFFFF
##B22F31	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E30

Deuteranopia (green-blind)

#766A2D

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b22f31;
/* rgb */ color: rgb(178, 47, 49);
/* oklch */ color: oklch(51.0% 0.168 24.7);

Tailwind

colors: {
  custom: {
    50: '#d17269',
    500: '#b22f31',
    950: '#000000',
  },
}

SCSS

$custom: #b22f31;
$custom-light: #d17269;
$custom-dark: #000000;

JSON

{
  "hex": "#b22f31",
  "rgb": {
    "r": 178,
    "g": 47,
    "b": 49
  },
  "hsl": {
    "h": 359.084,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50964,
    "c": 0.16769,
    "h": 24.7
  },
  "luminance": 0.1172
}

Semantic roles & 50–950 ramp

primary

#B22F31

secondary

#77C6C5

accent

#E1DF46

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22F31

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

Preview Lab → · Contrast checker → · Palette generator →