#B22C28#B22C28

#B22C28 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.171 H 27.1°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#B22C28
RGB	rgb(178, 44, 40)
HSL	hsl(2, 63%, 43%)
HSV	hsv(2, 78%, 70%)
CMYK	cmyk(0%, 75.3%, 77.5%, 30.2%)
CIE-LAB	lab(40.28, 53.03, 35.47)
CIE-LCH	lch(40.28, 63.80, 33.77°)
OKLab	oklab(50.56% 0.1525 0.0782)
OKLCH	oklch(50.56% 0.171 27.1)
XYZ	xyz(19.6461, 11.4226, 3.1774)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22C28 #28AEB2

analogous

#B22869 #B22C28 #B27128

triadic

#B22C28 #28B22C #2C28B2

tetradic

#B22C28 #69B228 #28AEB2 #7128B2

square

#B22C28 #69B228 #28AEB2 #7128B2

split-complementary

#B22C28 #28B271 #2869B2

monochromatic

#4E1312 #80201D #B22C28 #D54743 #E07875

Accessibility & contrast

On white

6.39

#B22C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B22C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22C28

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22C28	#FFFFFF	#000000	##FFFFFF
##B22C28	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C26

Deuteranopia (green-blind)

#766922

Tritanopia (blue-blind)

#C4002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22c28;
/* rgb */ color: rgb(178, 44, 40);
/* oklch */ color: oklch(50.6% 0.171 27.1);

Tailwind

colors: {
  custom: {
    50: '#d27063',
    500: '#b22c28',
    950: '#000000',
  },
}

SCSS

$custom: #b22c28;
$custom-light: #d27063;
$custom-dark: #000000;

JSON

{
  "hex": "#b22c28",
  "rgb": {
    "r": 178,
    "g": 44,
    "b": 40
  },
  "hsl": {
    "h": 1.739,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50564,
    "c": 0.17141,
    "h": 27.1
  },
  "luminance": 0.1142
}

Semantic roles & 50–950 ramp

primary

#B22C28

secondary

#6FC5C7

accent

#E2E641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22C28

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

Preview Lab → · Contrast checker → · Palette generator →