#B22923#B22923

#B22923 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.174 H 28.0°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#B22923
RGB	rgb(178, 41, 35)
HSL	hsl(3, 67%, 42%)
HSV	hsv(3, 80%, 70%)
CMYK	cmyk(0%, 77%, 80.3%, 30.2%)
CIE-LAB	lab(39.87, 53.85, 37.85)
CIE-LCH	lch(39.87, 65.82, 35.10°)
OKLab	oklab(50.24% 0.1541 0.0819)
OKLCH	oklch(50.24% 0.174 28)
XYZ	xyz(19.4588, 11.1753, 2.7223)
Luminance	0.1117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22923 #23ACB2

analogous

#B22365 #B22923 #B27023

triadic

#B22923 #23B229 #2923B2

tetradic

#B22923 #65B223 #23ACB2 #7023B2

square

#B22923 #65B223 #23ACB2 #7023B2

split-complementary

#B22923 #23B270 #2365B2

monochromatic

#4C110F #7F1D19 #B22923 #D8413A #E2726D

Accessibility & contrast

On white

6.49

#B22923 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B22923 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22923

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22923	#FFFFFF	#000000	##FFFFFF
##B22923	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B21

Deuteranopia (green-blind)

#75691D

Tritanopia (blue-blind)

#C40029

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22923;
/* rgb */ color: rgb(178, 41, 35);
/* oklch */ color: oklch(50.2% 0.174 28.0);

Tailwind

colors: {
  custom: {
    50: '#d26f5f',
    500: '#b22923',
    950: '#000000',
  },
}

SCSS

$custom: #b22923;
$custom-light: #d26f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b22923",
  "rgb": {
    "r": 178,
    "g": 41,
    "b": 35
  },
  "hsl": {
    "h": 2.517,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50242,
    "c": 0.17447,
    "h": 28
  },
  "luminance": 0.11172
}

Semantic roles & 50–950 ramp

primary

#B22923

secondary

#68C5C9

accent

#E3EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B22923

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

Preview Lab → · Contrast checker → · Palette generator →