#B22C31#B22C31

#B22C31 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.170 H 23.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B22C31
RGB	rgb(178, 44, 49)
HSL	hsl(358, 60%, 44%)
HSV	hsv(358, 75%, 70%)
CMYK	cmyk(0%, 75.3%, 72.5%, 30.2%)
CIE-LAB	lab(40.40, 53.40, 30.31)
CIE-LCH	lch(40.40, 61.40, 29.58°)
OKLab	oklab(50.68% 0.1557 0.0691)
OKLCH	oklch(50.68% 0.17 23.9)
XYZ	xyz(19.8174, 11.4911, 4.0797)
Luminance	0.1149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22C31 #2CB2AD

analogous

#B22C74 #B22C31 #B26A2C

triadic

#B22C31 #31B22C #2C31B2

tetradic

#B22C31 #74B22C #2CB2AD #6A2CB2

square

#B22C31 #74B22C #2CB2AD #6A2CB2

split-complementary

#B22C31 #2CB26A #2C74B2

monochromatic

#501416 #812023 #B22C31 #D2494E #DE7A7E

Accessibility & contrast

On white

6.37

#B22C31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B22C31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22C31

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22C31	#FFFFFF	#000000	##FFFFFF
##B22C31	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D30

Deuteranopia (green-blind)

#756A2C

Tritanopia (blue-blind)

#C4002F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22c31;
/* rgb */ color: rgb(178, 44, 49);
/* oklch */ color: oklch(50.7% 0.170 23.9);

Tailwind

colors: {
  custom: {
    50: '#d17069',
    500: '#b22c31',
    950: '#000000',
  },
}

SCSS

$custom: #b22c31;
$custom-light: #d17069;
$custom-dark: #000000;

JSON

{
  "hex": "#b22c31",
  "rgb": {
    "r": 178,
    "g": 44,
    "b": 49
  },
  "hsl": {
    "h": 357.761,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50683,
    "c": 0.17032,
    "h": 23.9
  },
  "luminance": 0.11488
}

Semantic roles & 50–950 ramp

primary

#B22C31

secondary

#73C6C3

accent

#E4DE44

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22C31

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

Preview Lab → · Contrast checker → · Palette generator →