#B22723#B22723

#B22723 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.176 H 27.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B22723
RGB	rgb(178, 39, 35)
HSL	hsl(2, 67%, 42%)
HSV	hsv(2, 80%, 70%)
CMYK	cmyk(0%, 78.1%, 80.3%, 30.2%)
CIE-LAB	lab(39.65, 54.48, 37.63)
CIE-LCH	lch(39.65, 66.21, 34.63°)
OKLab	oklab(50.08% 0.1561 0.0814)
OKLCH	oklch(50.08% 0.176 27.5)
XYZ	xyz(19.3913, 11.0405, 2.6998)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22723 #23AEB2

analogous

#B22367 #B22723 #B26F23

triadic

#B22723 #23B227 #2723B2

tetradic

#B22723 #67B223 #23AEB2 #6F23B2

square

#B22723 #67B223 #23AEB2 #6F23B2

split-complementary

#B22723 #23B26F #2367B2

monochromatic

#4C110F #7F1C19 #B22723 #D83E3A #E2706D

Accessibility & contrast

On white

6.55

#B22723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B22723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22723

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22723	#FFFFFF	#000000	##FFFFFF
##B22723	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A21

Deuteranopia (green-blind)

#75681C

Tritanopia (blue-blind)

#C40028

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b22723;
/* rgb */ color: rgb(178, 39, 35);
/* oklch */ color: oklch(50.1% 0.176 27.5);

Tailwind

colors: {
  custom: {
    50: '#d26e5f',
    500: '#b22723',
    950: '#000000',
  },
}

SCSS

$custom: #b22723;
$custom-light: #d26e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b22723",
  "rgb": {
    "r": 178,
    "g": 39,
    "b": 35
  },
  "hsl": {
    "h": 1.678,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50075,
    "c": 0.17599,
    "h": 27.5
  },
  "luminance": 0.11037
}

Semantic roles & 50–950 ramp

primary

#B22723

secondary

#68C6C9

accent

#E5EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B22723

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

Preview Lab → · Contrast checker → · Palette generator →