#B22928#B22928

#B22928 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.174 H 26.4°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#B22928
RGB	rgb(178, 41, 40)
HSL	hsl(0, 63%, 43%)
HSV	hsv(0, 78%, 70%)
CMYK	cmyk(0%, 77%, 77.5%, 30.2%)
CIE-LAB	lab(39.93, 54.02, 35.08)
CIE-LCH	lch(39.93, 64.42, 33.00°)
OKLab	oklab(50.3% 0.1557 0.0774)
OKLCH	oklch(50.3% 0.174 26.4)
XYZ	xyz(19.5384, 11.2071, 3.1415)
Luminance	0.1120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22928 #28B1B2

analogous

#B2286C #B22928 #B26E28

triadic

#B22928 #28B229 #2928B2

tetradic

#B22928 #6CB228 #28B1B2 #6E28B2

square

#B22928 #6CB228 #28B1B2 #6E28B2

split-complementary

#B22928 #28B26E #286CB2

monochromatic

#4E1212 #801D1D #B22928 #D54443 #E07575

Accessibility & contrast

On white

6.48

#B22928 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B22928 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22928

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22928	#FFFFFF	#000000	##FFFFFF
##B22928	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)

#534B26

Deuteranopia (green-blind)

#756922

Tritanopia (blue-blind)

#C4002B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22928;
/* rgb */ color: rgb(178, 41, 40);
/* oklch */ color: oklch(50.3% 0.174 26.4);

Tailwind

colors: {
  custom: {
    50: '#d26f62',
    500: '#b22928',
    950: '#000000',
  },
}

SCSS

$custom: #b22928;
$custom-light: #d26f62;
$custom-dark: #000000;

JSON

{
  "hex": "#b22928",
  "rgb": {
    "r": 178,
    "g": 41,
    "b": 40
  },
  "hsl": {
    "h": 0.435,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50299,
    "c": 0.17383,
    "h": 26.4
  },
  "luminance": 0.11204
}

Semantic roles & 50–950 ramp

primary

#B22928

secondary

#6FC7C7

accent

#E5E641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22928

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

Preview Lab → · Contrast checker → · Palette generator →