#B43C22#B43C22

#B43C22 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.160 H 33.8°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B43C22
RGB	rgb(180, 60, 34)
HSL	hsl(11, 68%, 42%)
HSV	hsv(11, 81%, 71%)
CMYK	cmyk(0%, 66.7%, 81.1%, 29.4%)
CIE-LAB	lab(42.84, 47.33, 41.45)
CIE-LCH	lch(42.84, 62.91, 41.21°)
OKLab	oklab(52.53% 0.1333 0.0892)
OKLCH	oklch(52.53% 0.16 33.8)
XYZ	xyz(20.7293, 13.0536, 2.9411)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43C22 #229AB4

analogous

#B42251 #B43C22 #B48522

triadic

#B43C22 #22B43C #3C22B4

tetradic

#B43C22 #51B422 #229AB4 #8522B4

square

#B43C22 #51B422 #229AB4 #8522B4

split-complementary

#B43C22 #22B485 #2251B4

monochromatic

#4D1A0F #812B18 #B43C22 #DA563A #E3826D

Accessibility & contrast

On white

5.82

#B43C22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B43C22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43C22

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43C22	#FFFFFF	#000000	##FFFFFF
##B43C22	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F541E

Deuteranopia (green-blind)

#7C6F1D

Tritanopia (blue-blind)

#C61737

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43c22;
/* rgb */ color: rgb(180, 60, 34);
/* oklch */ color: oklch(52.5% 0.160 33.8);

Tailwind

colors: {
  custom: {
    50: '#d3785f',
    500: '#b43c22',
    950: '#000000',
  },
}

SCSS

$custom: #b43c22;
$custom-light: #d3785f;
$custom-dark: #000000;

JSON

{
  "hex": "#b43c22",
  "rgb": {
    "r": 180,
    "g": 60,
    "b": 34
  },
  "hsl": {
    "h": 10.685,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5253,
    "c": 0.16043,
    "h": 33.8
  },
  "luminance": 0.13051
}

Semantic roles & 50–950 ramp

primary

#B43C22

secondary

#68B8CA

accent

#CCEB3D

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B43C22

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

Preview Lab → · Contrast checker → · Palette generator →