#B43B20#B43B20

#B43B20 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.162 H 34.0°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B43B20
RGB	rgb(180, 59, 32)
HSL	hsl(11, 70%, 42%)
HSV	hsv(11, 82%, 71%)
CMYK	cmyk(0%, 67.2%, 82.2%, 29.4%)
CIE-LAB	lab(42.67, 47.69, 42.29)
CIE-LCH	lch(42.67, 63.74, 41.57°)
OKLab	oklab(52.39% 0.1341 0.0904)
OKLCH	oklch(52.39% 0.162 34)
XYZ	xyz(20.6494, 12.9386, 2.7763)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B20 #2099B4

analogous

#B4204F #B43B20 #B48520

triadic

#B43B20 #20B43B #3B20B4

tetradic

#B43B20 #4FB420 #2099B4 #8520B4

square

#B43B20 #4FB420 #2099B4 #8520B4

split-complementary

#B43B20 #20B485 #204FB4

monochromatic

#4C190E #802A17 #B43B20 #DB5436 #E4806A

Accessibility & contrast

On white

5.85

#B43B20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B43B20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B20

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B20	#FFFFFF	#000000	##FFFFFF
##B43B20	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E541C

Deuteranopia (green-blind)

#7C6F1A

Tritanopia (blue-blind)

#C61436

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b20;
/* rgb */ color: rgb(180, 59, 32);
/* oklch */ color: oklch(52.4% 0.162 34.0);

Tailwind

colors: {
  custom: {
    50: '#d3775e',
    500: '#b43b20',
    950: '#000000',
  },
}

SCSS

$custom: #b43b20;
$custom-light: #d3775e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b20",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 32
  },
  "hsl": {
    "h": 10.946,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52394,
    "c": 0.16171,
    "h": 34
  },
  "luminance": 0.12936
}

Semantic roles & 50–950 ramp

primary

#B43B20

secondary

#66B8CA

accent

#CCED3B

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43B20

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

Preview Lab → · Contrast checker → · Palette generator →