#B22829#B22829

#B22829 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.174 H 25.9°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#B22829
RGB	rgb(178, 40, 41)
HSL	hsl(360, 63%, 43%)
HSV	hsv(360, 78%, 70%)
CMYK	cmyk(0%, 77.5%, 77%, 30.2%)
CIE-LAB	lab(39.82, 54.38, 34.40)
CIE-LCH	lch(39.82, 64.34, 32.31°)
OKLab	oklab(50.23% 0.157 0.0762)
OKLCH	oklch(50.23% 0.174 25.9)
XYZ	xyz(19.5214, 11.1457, 3.2209)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22829 #28B2B1

analogous

#B2286E #B22829 #B26C28

triadic

#B22829 #29B228 #2829B2

tetradic

#B22829 #6EB228 #28B2B1 #6C28B2

square

#B22829 #6EB228 #28B2B1 #6C28B2

split-complementary

#B22829 #28B26C #286EB2

monochromatic

#4E1212 #801D1D #B22829 #D54344 #E07575

Accessibility & contrast

On white

6.50

#B22829 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B22829 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22829

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22829	#FFFFFF	#000000	##FFFFFF
##B22829	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B27

Deuteranopia (green-blind)

#756923

Tritanopia (blue-blind)

#C4002A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b22829;
/* rgb */ color: rgb(178, 40, 41);
/* oklch */ color: oklch(50.2% 0.174 25.9);

Tailwind

colors: {
  custom: {
    50: '#d26e63',
    500: '#b22829',
    950: '#000000',
  },
}

SCSS

$custom: #b22829;
$custom-light: #d26e63;
$custom-dark: #000000;

JSON

{
  "hex": "#b22829",
  "rgb": {
    "r": 178,
    "g": 40,
    "b": 41
  },
  "hsl": {
    "h": 359.565,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50226,
    "c": 0.17449,
    "h": 25.9
  },
  "luminance": 0.11143
}

Semantic roles & 50–950 ramp

primary

#B22829

secondary

#6FC7C7

accent

#E6E541

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22829

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

Preview Lab → · Contrast checker → · Palette generator →