#B22B3D#B22B3D

#B22B3D is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.8% C 0.170 H 18.8°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#B22B3D
RGB	rgb(178, 43, 61)
HSL	hsl(352, 61%, 43%)
HSV	hsv(352, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 65.7%, 30.2%)
CIE-LAB	lab(40.46, 54.36, 23.05)
CIE-LCH	lch(40.46, 59.04, 22.98°)
OKLab	oklab(50.79% 0.1613 0.0548)
OKLCH	oklch(50.79% 0.17 18.8)
XYZ	xyz(20.0684, 11.5327, 5.5833)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B3D #2BB2A0

analogous

#B22B80 #B22B3D #B25C2B

triadic

#B22B3D #3DB22B #2B3DB2

tetradic

#B22B3D #80B22B #2BB2A0 #5C2BB2

square

#B22B3D #80B22B #2BB2A0 #5C2BB2

split-complementary

#B22B3D #2BB25C #2B80B2

monochromatic

#4F131B #811F2C #B22B3D #D3485A #DF7986

Accessibility & contrast

On white

6.35

#B22B3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B22B3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B3D

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B3D	#FFFFFF	#000000	##FFFFFF
##B22B3D	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D3D

Deuteranopia (green-blind)

#746A39

Tritanopia (blue-blind)

#C30033

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b3d;
/* rgb */ color: rgb(178, 43, 61);
/* oklch */ color: oklch(50.8% 0.170 18.8);

Tailwind

colors: {
  custom: {
    50: '#d17072',
    500: '#b22b3d',
    950: '#000000',
  },
}

SCSS

$custom: #b22b3d;
$custom-light: #d17072;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b3d",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 61
  },
  "hsl": {
    "h": 352,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50794,
    "c": 0.17037,
    "h": 18.8
  },
  "luminance": 0.1153
}

Semantic roles & 50–950 ramp

primary

#B22B3D

secondary

#72C7BB

accent

#E4CF44

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150808

muted

#837B7B

Preview Lab

Preview with #B22B3D

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

Preview Lab → · Contrast checker → · Palette generator →