#B22C2B#B22C2B

#B22C2B is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.171 H 26.1°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#B22C2B
RGB	rgb(178, 44, 43)
HSL	hsl(0, 61%, 43%)
HSV	hsv(0, 76%, 70%)
CMYK	cmyk(0%, 75.3%, 75.8%, 30.2%)
CIE-LAB	lab(40.32, 53.15, 33.77)
CIE-LCH	lch(40.32, 62.97, 32.43°)
OKLab	oklab(50.6% 0.1535 0.0753)
OKLCH	oklch(50.6% 0.171 26.1)
XYZ	xyz(19.6991, 11.4438, 3.4567)
Luminance	0.1144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22C2B #2BB1B2

analogous

#B22B6E #B22C2B #B26F2B

triadic

#B22C2B #2BB22C #2C2BB2

tetradic

#B22C2B #6EB22B #2BB1B2 #6F2BB2

square

#B22C2B #6EB22B #2BB1B2 #6F2BB2

split-complementary

#B22C2B #2BB26F #2B6EB2

monochromatic

#4F1413 #81201F #B22C2B #D34948 #DF7A79

Accessibility & contrast

On white

6.39

#B22C2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B22C2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22C2B

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22C2B	#FFFFFF	#000000	##FFFFFF
##B22C2B	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C29

Deuteranopia (green-blind)

#766A26

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22c2b;
/* rgb */ color: rgb(178, 44, 43);
/* oklch */ color: oklch(50.6% 0.171 26.1);

Tailwind

colors: {
  custom: {
    50: '#d27065',
    500: '#b22c2b',
    950: '#000000',
  },
}

SCSS

$custom: #b22c2b;
$custom-light: #d27065;
$custom-dark: #000000;

JSON

{
  "hex": "#b22c2b",
  "rgb": {
    "r": 178,
    "g": 44,
    "b": 43
  },
  "hsl": {
    "h": 0.444,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50601,
    "c": 0.17101,
    "h": 26.1
  },
  "luminance": 0.11441
}

Semantic roles & 50–950 ramp

primary

#B22C2B

secondary

#72C6C7

accent

#E3E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22C2B

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

Preview Lab → · Contrast checker → · Palette generator →