#B22B3A#B22B3A

#B22B3A is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.170 H 20.1°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B22B3A
RGB	rgb(178, 43, 58)
HSL	hsl(353, 61%, 43%)
HSV	hsv(353, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 67.4%, 30.2%)
CIE-LAB	lab(40.41, 54.19, 24.84)
CIE-LCH	lch(40.41, 59.61, 24.63°)
OKLab	oklab(50.74% 0.1601 0.0585)
OKLCH	oklch(50.74% 0.17 20.1)
XYZ	xyz(19.9899, 11.5012, 5.1696)
Luminance	0.1150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B3A #2BB2A3

analogous

#B22B7D #B22B3A #B25F2B

triadic

#B22B3A #3AB22B #2B3AB2

tetradic

#B22B3A #7DB22B #2BB2A3 #5F2BB2

square

#B22B3A #7DB22B #2BB2A3 #5F2BB2

split-complementary

#B22B3A #2BB25F #2B7DB2

monochromatic

#4F131A #811F2A #B22B3A #D34857 #DF7984

Accessibility & contrast

On white

6.36

#B22B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B22B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B3A

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B3A	#FFFFFF	#000000	##FFFFFF
##B22B3A	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D3A

Deuteranopia (green-blind)

#746A36

Tritanopia (blue-blind)

#C40032

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b3a;
/* rgb */ color: rgb(178, 43, 58);
/* oklch */ color: oklch(50.7% 0.170 20.1);

Tailwind

colors: {
  custom: {
    50: '#d17070',
    500: '#b22b3a',
    950: '#000000',
  },
}

SCSS

$custom: #b22b3a;
$custom-light: #d17070;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b3a",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 58
  },
  "hsl": {
    "h": 353.333,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5074,
    "c": 0.17048,
    "h": 20.1
  },
  "luminance": 0.11498
}

Semantic roles & 50–950 ramp

primary

#B22B3A

secondary

#72C7BD

accent

#E4D244

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B22B3A

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

Preview Lab → · Contrast checker → · Palette generator →