#B22B31#B22B31

#B22B31 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.171 H 23.7°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#B22B31
RGB	rgb(178, 43, 49)
HSL	hsl(357, 61%, 43%)
HSV	hsv(357, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 72.5%, 30.2%)
CIE-LAB	lab(40.27, 53.74, 30.17)
CIE-LCH	lch(40.27, 61.63, 29.31°)
OKLab	oklab(50.59% 0.1567 0.0688)
OKLCH	oklch(50.59% 0.171 23.7)
XYZ	xyz(19.7806, 11.4175, 4.0674)
Luminance	0.1141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B31 #2BB2AC

analogous

#B22B74 #B22B31 #B2682B

triadic

#B22B31 #31B22B #2B31B2

tetradic

#B22B31 #74B22B #2BB2AC #682BB2

square

#B22B31 #74B22B #2BB2AC #682BB2

split-complementary

#B22B31 #2BB268 #2B74B2

monochromatic

#4F1316 #811F23 #B22B31 #D3484E #DF797D

Accessibility & contrast

On white

6.40

#B22B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B22B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B31

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B31	#FFFFFF	#000000	##FFFFFF
##B22B31	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C30

Deuteranopia (green-blind)

#75692C

Tritanopia (blue-blind)

#C4002F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b31;
/* rgb */ color: rgb(178, 43, 49);
/* oklch */ color: oklch(50.6% 0.171 23.7);

Tailwind

colors: {
  custom: {
    50: '#d17069',
    500: '#b22b31',
    950: '#000000',
  },
}

SCSS

$custom: #b22b31;
$custom-light: #d17069;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b31",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 49
  },
  "hsl": {
    "h": 357.333,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50594,
    "c": 0.17117,
    "h": 23.7
  },
  "luminance": 0.11414
}

Semantic roles & 50–950 ramp

primary

#B22B31

secondary

#72C7C3

accent

#E4DD44

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22B31

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

Preview Lab → · Contrast checker → · Palette generator →