#B22B3B#B22B3B

#B22B3B is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.8% C 0.170 H 19.6°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B22B3B
RGB	rgb(178, 43, 59)
HSL	hsl(353, 61%, 43%)
HSV	hsv(353, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 66.9%, 30.2%)
CIE-LAB	lab(40.43, 54.24, 24.24)
CIE-LCH	lch(40.43, 59.42, 24.08°)
OKLab	oklab(50.76% 0.1605 0.0573)
OKLCH	oklch(50.76% 0.17 19.6)
XYZ	xyz(20.0156, 11.5115, 5.3048)
Luminance	0.1151 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B3B #2BB2A2

analogous

#B22B7E #B22B3B #B25E2B

triadic

#B22B3B #3BB22B #2B3BB2

tetradic

#B22B3B #7EB22B #2BB2A2 #5E2BB2

square

#B22B3B #7EB22B #2BB2A2 #5E2BB2

split-complementary

#B22B3B #2BB25E #2B7EB2

monochromatic

#4F131A #811F2B #B22B3B #D34858 #DF7985

Accessibility & contrast

On white

6.36

#B22B3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B22B3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B3B

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B3B	#FFFFFF	#000000	##FFFFFF
##B22B3B	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D3B

Deuteranopia (green-blind)

#746A37

Tritanopia (blue-blind)

#C40032

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b3b;
/* rgb */ color: rgb(178, 43, 59);
/* oklch */ color: oklch(50.8% 0.170 19.6);

Tailwind

colors: {
  custom: {
    50: '#d17070',
    500: '#b22b3b',
    950: '#000000',
  },
}

SCSS

$custom: #b22b3b;
$custom-light: #d17070;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b3b",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 59
  },
  "hsl": {
    "h": 352.889,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50757,
    "c": 0.17044,
    "h": 19.6
  },
  "luminance": 0.11508
}

Semantic roles & 50–950 ramp

primary

#B22B3B

secondary

#72C7BD

accent

#E4D144

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B22B3B

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

Preview Lab → · Contrast checker → · Palette generator →