#B22B3C#B22B3C

#B22B3C is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.8% C 0.170 H 19.2°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B22B3C
RGB	rgb(178, 43, 60)
HSL	hsl(352, 61%, 43%)
HSV	hsv(352, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 66.3%, 30.2%)
CIE-LAB	lab(40.45, 54.30, 23.65)
CIE-LCH	lch(40.45, 59.23, 23.53°)
OKLab	oklab(50.78% 0.1609 0.0561)
OKLCH	oklch(50.78% 0.17 19.2)
XYZ	xyz(20.0418, 11.5220, 5.4428)
Luminance	0.1152 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B3C #2BB2A1

analogous

#B22B80 #B22B3C #B25D2B

triadic

#B22B3C #3CB22B #2B3CB2

tetradic

#B22B3C #80B22B #2BB2A1 #5D2BB2

square

#B22B3C #80B22B #2BB2A1 #5D2BB2

split-complementary

#B22B3C #2BB25D #2B80B2

monochromatic

#4F131B #811F2B #B22B3C #D34859 #DF7986

Accessibility & contrast

On white

6.36

#B22B3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B22B3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B3C

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B3C	#FFFFFF	#000000	##FFFFFF
##B22B3C	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)

#524D3C

Deuteranopia (green-blind)

#746A38

Tritanopia (blue-blind)

#C40033

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b3c;
/* rgb */ color: rgb(178, 43, 60);
/* oklch */ color: oklch(50.8% 0.170 19.2);

Tailwind

colors: {
  custom: {
    50: '#d17071',
    500: '#b22b3c',
    950: '#000000',
  },
}

SCSS

$custom: #b22b3c;
$custom-light: #d17071;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b3c",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 60
  },
  "hsl": {
    "h": 352.444,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50776,
    "c": 0.1704,
    "h": 19.2
  },
  "luminance": 0.11519
}

Semantic roles & 50–950 ramp

primary

#B22B3C

secondary

#72C7BC

accent

#E4D044

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B22B3C

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

Preview Lab → · Contrast checker → · Palette generator →