#B22C33#B22C33

#B22C33 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.170 H 23.2°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B22C33
RGB	rgb(178, 44, 51)
HSL	hsl(357, 60%, 44%)
HSV	hsv(357, 75%, 70%)
CMYK	cmyk(0%, 75.3%, 71.3%, 30.2%)
CIE-LAB	lab(40.42, 53.50, 29.14)
CIE-LCH	lch(40.42, 60.92, 28.58°)
OKLab	oklab(50.71% 0.1564 0.0669)
OKLCH	oklch(50.71% 0.17 23.2)
XYZ	xyz(19.8606, 11.5084, 4.3069)
Luminance	0.1150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22C33 #2CB2AB

analogous

#B22C76 #B22C33 #B2682C

triadic

#B22C33 #33B22C #2C33B2

tetradic

#B22C33 #76B22C #2CB2AB #682CB2

square

#B22C33 #76B22C #2CB2AB #682CB2

split-complementary

#B22C33 #2CB268 #2C76B2

monochromatic

#501417 #812025 #B22C33 #D24950 #DE7A7F

Accessibility & contrast

On white

6.36

#B22C33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B22C33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22C33

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22C33	#FFFFFF	#000000	##FFFFFF
##B22C33	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)

#534D32

Deuteranopia (green-blind)

#756A2F

Tritanopia (blue-blind)

#C40030

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22c33;
/* rgb */ color: rgb(178, 44, 51);
/* oklch */ color: oklch(50.7% 0.170 23.2);

Tailwind

colors: {
  custom: {
    50: '#d1706a',
    500: '#b22c33',
    950: '#000000',
  },
}

SCSS

$custom: #b22c33;
$custom-light: #d1706a;
$custom-dark: #000000;

JSON

{
  "hex": "#b22c33",
  "rgb": {
    "r": 178,
    "g": 44,
    "b": 51
  },
  "hsl": {
    "h": 356.866,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50713,
    "c": 0.17012,
    "h": 23.2
  },
  "luminance": 0.11505
}

Semantic roles & 50–950 ramp

primary

#B22C33

secondary

#73C6C2

accent

#E4DB44

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22C33

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

Preview Lab → · Contrast checker → · Palette generator →