#B22423#B22423

#B22423 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.178 H 26.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B22423
RGB	rgb(178, 36, 35)
HSL	hsl(0, 67%, 42%)
HSV	hsv(0, 80%, 70%)
CMYK	cmyk(0%, 79.8%, 80.3%, 30.2%)
CIE-LAB	lab(39.33, 55.38, 37.30)
CIE-LCH	lch(39.33, 66.77, 33.96°)
OKLab	oklab(49.84% 0.1589 0.0807)
OKLCH	oklch(49.84% 0.178 26.9)
XYZ	xyz(19.2967, 10.8512, 2.6682)
Luminance	0.1085 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22423 #23B1B2

analogous

#B22369 #B22423 #B26C23

triadic

#B22423 #23B224 #2423B2

tetradic

#B22423 #69B223 #23B1B2 #6C23B2

square

#B22423 #69B223 #23B1B2 #6C23B2

split-complementary

#B22423 #23B26C #2369B2

monochromatic

#4C0F0F #7F1A19 #B22423 #D83B3A #E26E6D

Accessibility & contrast

On white

6.63

#B22423 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B22423 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22423

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22423	#FFFFFF	#000000	##FFFFFF
##B22423	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514921

Deuteranopia (green-blind)

#74681C

Tritanopia (blue-blind)

#C40026

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b22423;
/* rgb */ color: rgb(178, 36, 35);
/* oklch */ color: oklch(49.8% 0.178 26.9);

Tailwind

colors: {
  custom: {
    50: '#d36d5f',
    500: '#b22423',
    950: '#000000',
  },
}

SCSS

$custom: #b22423;
$custom-light: #d36d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b22423",
  "rgb": {
    "r": 178,
    "g": 36,
    "b": 35
  },
  "hsl": {
    "h": 0.42,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49837,
    "c": 0.17819,
    "h": 26.9
  },
  "luminance": 0.10848
}

Semantic roles & 50–950 ramp

primary

#B22423

secondary

#68C8C9

accent

#E9EA3E

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B22423

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

Preview Lab → · Contrast checker → · Palette generator →