#B43C20#B43C20

#B43C20 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.161 H 34.3°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B43C20
RGB	rgb(180, 60, 32)
HSL	hsl(11, 70%, 42%)
HSV	hsv(11, 82%, 71%)
CMYK	cmyk(0%, 66.7%, 82.2%, 29.4%)
CIE-LAB	lab(42.83, 47.27, 42.44)
CIE-LCH	lch(42.83, 63.52, 41.92°)
OKLab	oklab(52.51% 0.1328 0.0907)
OKLCH	oklch(52.51% 0.161 34.3)
XYZ	xyz(20.7013, 13.0424, 2.7936)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43C20 #2098B4

analogous

#B4204E #B43C20 #B48620

triadic

#B43C20 #20B43C #3C20B4

tetradic

#B43C20 #4EB420 #2098B4 #8620B4

square

#B43C20 #4EB420 #2098B4 #8620B4

split-complementary

#B43C20 #20B486 #204EB4

monochromatic

#4C190E #802B17 #B43C20 #DB5536 #E4816A

Accessibility & contrast

On white

5.82

#B43C20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B43C20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43C20

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43C20	#FFFFFF	#000000	##FFFFFF
##B43C20	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)

#5F541B

Deuteranopia (green-blind)

#7C6F1A

Tritanopia (blue-blind)

#C61737

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43c20;
/* rgb */ color: rgb(180, 60, 32);
/* oklch */ color: oklch(52.5% 0.161 34.3);

Tailwind

colors: {
  custom: {
    50: '#d3785e',
    500: '#b43c20',
    950: '#000000',
  },
}

SCSS

$custom: #b43c20;
$custom-light: #d3785e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43c20",
  "rgb": {
    "r": 180,
    "g": 60,
    "b": 32
  },
  "hsl": {
    "h": 11.351,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52512,
    "c": 0.16081,
    "h": 34.3
  },
  "luminance": 0.13039
}

Semantic roles & 50–950 ramp

primary

#B43C20

secondary

#66B7CA

accent

#CBED3B

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43C20

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

Preview Lab → · Contrast checker → · Palette generator →