#B22543#B22543

#B22543 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.176 H 14.9°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#B22543
RGB	rgb(178, 37, 67)
HSL	hsl(347, 66%, 42%)
HSV	hsv(347, 79%, 70%)
CMYK	cmyk(0%, 79.2%, 62.4%, 30.2%)
CIE-LAB	lab(39.91, 56.59, 18.57)
CIE-LCH	lch(39.91, 59.56, 18.17°)
OKLab	oklab(50.42% 0.1697 0.0452)
OKLCH	oklch(50.42% 0.176 14.9)
XYZ	xyz(20.0369, 11.1964, 6.4152)
Luminance	0.1119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22543 #25B294

analogous

#B2258A #B22543 #B24E25

triadic

#B22543 #43B225 #2543B2

tetradic

#B22543 #8AB225 #25B294 #4E25B2

square

#B22543 #8AB225 #25B294 #4E25B2

split-complementary

#B22543 #25B24E #258AB2

monochromatic

#4D101D #7F1A30 #B22543 #D73D5E #E17088

Accessibility & contrast

On white

6.48

#B22543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B22543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22543

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22543	#FFFFFF	#000000	##FFFFFF
##B22543	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4B43

Deuteranopia (green-blind)

#71683F

Tritanopia (blue-blind)

#C30032

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22543;
/* rgb */ color: rgb(178, 37, 67);
/* oklch */ color: oklch(50.4% 0.176 14.9);

Tailwind

colors: {
  custom: {
    50: '#d06e76',
    500: '#b22543',
    950: '#000000',
  },
}

SCSS

$custom: #b22543;
$custom-light: #d06e76;
$custom-dark: #000000;

JSON

{
  "hex": "#b22543",
  "rgb": {
    "r": 178,
    "g": 37,
    "b": 67
  },
  "hsl": {
    "h": 347.234,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5042,
    "c": 0.17561,
    "h": 14.9
  },
  "luminance": 0.11193
}

Semantic roles & 50–950 ramp

primary

#B22543

secondary

#6BC8B4

accent

#E9C53F

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B22543

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

Preview Lab → · Contrast checker → · Palette generator →