#B22B36#B22B36

#B22B36 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.171 H 21.7°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#B22B36
RGB	rgb(178, 43, 54)
HSL	hsl(355, 61%, 43%)
HSV	hsv(355, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 69.7%, 30.2%)
CIE-LAB	lab(40.35, 53.98, 27.22)
CIE-LCH	lch(40.35, 60.46, 26.76°)
OKLab	oklab(50.67% 0.1586 0.0632)
OKLCH	oklch(50.67% 0.171 21.7)
XYZ	xyz(19.8921, 11.4621, 4.6543)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B36 #2BB2A7

analogous

#B22B79 #B22B36 #B2632B

triadic

#B22B36 #36B22B #2B36B2

tetradic

#B22B36 #79B22B #2BB2A7 #632BB2

square

#B22B36 #79B22B #2BB2A7 #632BB2

split-complementary

#B22B36 #2BB263 #2B79B2

monochromatic

#4F1318 #811F27 #B22B36 #D34853 #DF7981

Accessibility & contrast

On white

6.38

#B22B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B22B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B36

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B36	#FFFFFF	#000000	##FFFFFF
##B22B36	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)

#534D35

Deuteranopia (green-blind)

#746932

Tritanopia (blue-blind)

#C40030

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b36;
/* rgb */ color: rgb(178, 43, 54);
/* oklch */ color: oklch(50.7% 0.171 21.7);

Tailwind

colors: {
  custom: {
    50: '#d1706d',
    500: '#b22b36',
    950: '#000000',
  },
}

SCSS

$custom: #b22b36;
$custom-light: #d1706d;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b36",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 54
  },
  "hsl": {
    "h": 355.111,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50671,
    "c": 0.17073,
    "h": 21.7
  },
  "luminance": 0.11459
}

Semantic roles & 50–950 ramp

primary

#B22B36

secondary

#72C7C0

accent

#E4D744

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B22B36

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

Preview Lab → · Contrast checker → · Palette generator →