#B22823#B22823

#B22823 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.175 H 27.8°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#B22823
RGB	rgb(178, 40, 35)
HSL	hsl(2, 67%, 42%)
HSV	hsv(2, 80%, 70%)
CMYK	cmyk(0%, 77.5%, 80.3%, 30.2%)
CIE-LAB	lab(39.76, 54.17, 37.74)
CIE-LCH	lch(39.76, 66.02, 34.86°)
OKLab	oklab(50.16% 0.1551 0.0816)
OKLCH	oklch(50.16% 0.175 27.8)
XYZ	xyz(19.4246, 11.1070, 2.7109)
Luminance	0.1110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22823 #23ADB2

analogous

#B22366 #B22823 #B27023

triadic

#B22823 #23B228 #2823B2

tetradic

#B22823 #66B223 #23ADB2 #7023B2

square

#B22823 #66B223 #23ADB2 #7023B2

split-complementary

#B22823 #23B270 #2366B2

monochromatic

#4C110F #7F1D19 #B22823 #D83F3A #E2716D

Accessibility & contrast

On white

6.52

#B22823 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B22823 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22823

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22823	#FFFFFF	#000000	##FFFFFF
##B22823	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A21

Deuteranopia (green-blind)

#75681C

Tritanopia (blue-blind)

#C40029

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22823;
/* rgb */ color: rgb(178, 40, 35);
/* oklch */ color: oklch(50.2% 0.175 27.8);

Tailwind

colors: {
  custom: {
    50: '#d26e5f',
    500: '#b22823',
    950: '#000000',
  },
}

SCSS

$custom: #b22823;
$custom-light: #d26e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b22823",
  "rgb": {
    "r": 178,
    "g": 40,
    "b": 35
  },
  "hsl": {
    "h": 2.098,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50158,
    "c": 0.17523,
    "h": 27.8
  },
  "luminance": 0.11104
}

Semantic roles & 50–950 ramp

primary

#B22823

secondary

#68C5C9

accent

#E4EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B22823

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

Preview Lab → · Contrast checker → · Palette generator →