#B22C2F#B22C2F

#B22C2F is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.171 H 24.7°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B22C2F
RGB	rgb(178, 44, 47)
HSL	hsl(359, 60%, 44%)
HSV	hsv(359, 75%, 70%)
CMYK	cmyk(0%, 75.3%, 73.6%, 30.2%)
CIE-LAB	lab(40.37, 53.31, 31.47)
CIE-LCH	lch(40.37, 61.91, 30.56°)
OKLab	oklab(50.65% 0.1549 0.0713)
OKLCH	oklch(50.65% 0.171 24.7)
XYZ	xyz(19.7761, 11.4746, 3.8623)
Luminance	0.1147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22C2F #2CB2AF

analogous

#B22C72 #B22C2F #B26C2C

triadic

#B22C2F #2FB22C #2C2FB2

tetradic

#B22C2F #72B22C #2CB2AF #6C2CB2

square

#B22C2F #72B22C #2CB2AF #6C2CB2

split-complementary

#B22C2F #2CB26C #2C72B2

monochromatic

#501415 #812022 #B22C2F #D2494C #DE7A7C

Accessibility & contrast

On white

6.37

#B22C2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B22C2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22C2F

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22C2F	#FFFFFF	#000000	##FFFFFF
##B22C2F	1.00	6.37	3.29	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2E

Deuteranopia (green-blind)

#756A2A

Tritanopia (blue-blind)

#C4002F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22c2f;
/* rgb */ color: rgb(178, 44, 47);
/* oklch */ color: oklch(50.7% 0.171 24.7);

Tailwind

colors: {
  custom: {
    50: '#d17068',
    500: '#b22c2f',
    950: '#000000',
  },
}

SCSS

$custom: #b22c2f;
$custom-light: #d17068;
$custom-dark: #000000;

JSON

{
  "hex": "#b22c2f",
  "rgb": {
    "r": 178,
    "g": 44,
    "b": 47
  },
  "hsl": {
    "h": 358.657,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50655,
    "c": 0.17054,
    "h": 24.7
  },
  "luminance": 0.11472
}

Semantic roles & 50–950 ramp

primary

#B22C2F

secondary

#73C6C4

accent

#E4E044

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22C2F

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

Preview Lab → · Contrast checker → · Palette generator →