#B22E2B#B22E2B

#B22E2B is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.169 H 26.6°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#B22E2B
RGB	rgb(178, 46, 43)
HSL	hsl(1, 61%, 43%)
HSV	hsv(1, 76%, 70%)
CMYK	cmyk(0%, 74.2%, 75.8%, 30.2%)
CIE-LAB	lab(40.57, 52.45, 34.05)
CIE-LCH	lch(40.57, 62.53, 32.99°)
OKLab	oklab(50.79% 0.1514 0.0759)
OKLCH	oklch(50.79% 0.169 26.6)
XYZ	xyz(19.7754, 11.5964, 3.4821)
Luminance	0.1159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22E2B #2BAFB2

analogous

#B22B6B #B22E2B #B2712B

triadic

#B22E2B #2BB22E #2E2BB2

tetradic

#B22E2B #6BB22B #2BAFB2 #712BB2

square

#B22E2B #6BB22B #2BAFB2 #712BB2

split-complementary

#B22E2B #2BB271 #2B6BB2

monochromatic

#4F1513 #81211F #B22E2B #D34B48 #DF7B79

Accessibility & contrast

On white

6.33

#B22E2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B22E2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22E2B

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22E2B	#FFFFFF	#000000	##FFFFFF
##B22E2B	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D29

Deuteranopia (green-blind)

#766A26

Tritanopia (blue-blind)

#C4002F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b22e2b;
/* rgb */ color: rgb(178, 46, 43);
/* oklch */ color: oklch(50.8% 0.169 26.6);

Tailwind

colors: {
  custom: {
    50: '#d27165',
    500: '#b22e2b',
    950: '#000000',
  },
}

SCSS

$custom: #b22e2b;
$custom-light: #d27165;
$custom-dark: #000000;

JSON

{
  "hex": "#b22e2b",
  "rgb": {
    "r": 178,
    "g": 46,
    "b": 43
  },
  "hsl": {
    "h": 1.333,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50787,
    "c": 0.16932,
    "h": 26.6
  },
  "luminance": 0.11593
}

Semantic roles & 50–950 ramp

primary

#B22E2B

secondary

#72C5C7

accent

#E1E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22E2B

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

Preview Lab → · Contrast checker → · Palette generator →