#B22C2C#B22C2C

#B22C2C is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.171 H 25.8°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#B22C2C
RGB	rgb(178, 44, 44)
HSL	hsl(0, 60%, 44%)
HSV	hsv(0, 75%, 70%)
CMYK	cmyk(0%, 75.3%, 75.3%, 30.2%)
CIE-LAB	lab(40.33, 53.19, 33.20)
CIE-LCH	lch(40.33, 62.70, 31.97°)
OKLab	oklab(50.61% 0.1539 0.0743)
OKLCH	oklch(50.61% 0.171 25.8)
XYZ	xyz(19.7177, 11.4513, 3.5545)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22C2C #2CB2B2

analogous

#B22C6F #B22C2C #B26F2C

triadic

#B22C2C #2CB22C #2C2CB2

tetradic

#B22C2C #6FB22C #2CB2B2 #6F2CB2

square

#B22C2C #6FB22C #2CB2B2 #6F2CB2

split-complementary

#B22C2C #2CB26F #2C6FB2

monochromatic

#501414 #812020 #B22C2C #D24949 #DE7A7A

Accessibility & contrast

On white

6.38

#B22C2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B22C2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22C2C

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22C2C	#FFFFFF	#000000	##FFFFFF
##B22C2C	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2A

Deuteranopia (green-blind)

#756A27

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22c2c;
/* rgb */ color: rgb(178, 44, 44);
/* oklch */ color: oklch(50.6% 0.171 25.8);

Tailwind

colors: {
  custom: {
    50: '#d27065',
    500: '#b22c2c',
    950: '#000000',
  },
}

SCSS

$custom: #b22c2c;
$custom-light: #d27065;
$custom-dark: #000000;

JSON

{
  "hex": "#b22c2c",
  "rgb": {
    "r": 178,
    "g": 44,
    "b": 44
  },
  "hsl": {
    "h": 0,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50614,
    "c": 0.17089,
    "h": 25.8
  },
  "luminance": 0.11448
}

Semantic roles & 50–950 ramp

primary

#B22C2C

secondary

#73C6C6

accent

#E4E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22C2C

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

Preview Lab → · Contrast checker → · Palette generator →