#B22B2C#B22B2C

#B22B2C is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.172 H 25.5°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#B22B2C
RGB	rgb(178, 43, 44)
HSL	hsl(360, 61%, 43%)
HSV	hsv(360, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 75.3%, 30.2%)
CIE-LAB	lab(40.21, 53.52, 33.07)
CIE-LCH	lch(40.21, 62.91, 31.71°)
OKLab	oklab(50.52% 0.1549 0.074)
OKLCH	oklch(50.52% 0.172 25.5)
XYZ	xyz(19.6809, 11.3776, 3.5422)
Luminance	0.1138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B2C #2BB2B1

analogous

#B22B6F #B22B2C #B26E2B

triadic

#B22B2C #2CB22B #2B2CB2

tetradic

#B22B2C #6FB22B #2BB2B1 #6E2BB2

square

#B22B2C #6FB22B #2BB2B1 #6E2BB2

split-complementary

#B22B2C #2BB26E #2B6FB2

monochromatic

#4F1314 #811F20 #B22B2C #D34849 #DF797A

Accessibility & contrast

On white

6.41

#B22B2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B22B2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B2C

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B2C	#FFFFFF	#000000	##FFFFFF
##B22B2C	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C2A

Deuteranopia (green-blind)

#756927

Tritanopia (blue-blind)

#C4002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b2c;
/* rgb */ color: rgb(178, 43, 44);
/* oklch */ color: oklch(50.5% 0.172 25.5);

Tailwind

colors: {
  custom: {
    50: '#d27065',
    500: '#b22b2c',
    950: '#000000',
  },
}

SCSS

$custom: #b22b2c;
$custom-light: #d27065;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b2c",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 44
  },
  "hsl": {
    "h": 359.556,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50524,
    "c": 0.17172,
    "h": 25.5
  },
  "luminance": 0.11375
}

Semantic roles & 50–950 ramp

primary

#B22B2C

secondary

#72C7C6

accent

#E4E344

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22B2C

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

Preview Lab → · Contrast checker → · Palette generator →