#B43B1C#B43B1C

#B43B1C is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.162 H 35.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B43B1C
RGB	rgb(180, 59, 28)
HSL	hsl(12, 73%, 41%)
HSV	hsv(12, 84%, 71%)
CMYK	cmyk(0%, 67.2%, 84.4%, 29.4%)
CIE-LAB	lab(42.64, 47.57, 44.20)
CIE-LCH	lch(42.64, 64.94, 42.90°)
OKLab	oklab(52.36% 0.1331 0.0932)
OKLCH	oklch(52.36% 0.162 35)
XYZ	xyz(20.5984, 12.9182, 2.5072)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B1C #1C95B4

analogous

#B41C49 #B43B1C #B4871C

triadic

#B43B1C #1CB43B #3B1CB4

tetradic

#B43B1C #49B41C #1C95B4 #871CB4

square

#B43B1C #49B41C #1C95B4 #871CB4

split-complementary

#B43B1C #1CB487 #1C49B4

monochromatic

#4A180C #7F2A14 #B43B1C #DF532F #E77E64

Accessibility & contrast

On white

5.86

#B43B1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B43B1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B1C

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B1C	#FFFFFF	#000000	##FFFFFF
##B43B1C	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5417

Deuteranopia (green-blind)

#7C6F15

Tritanopia (blue-blind)

#C61335

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b1c;
/* rgb */ color: rgb(180, 59, 28);
/* oklch */ color: oklch(52.4% 0.162 35.0);

Tailwind

colors: {
  custom: {
    50: '#d3775c',
    500: '#b43b1c',
    950: '#000000',
  },
}

SCSS

$custom: #b43b1c;
$custom-light: #d3775c;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b1c",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 28
  },
  "hsl": {
    "h": 12.237,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52361,
    "c": 0.16244,
    "h": 35
  },
  "luminance": 0.12915
}

Semantic roles & 50–950 ramp

primary

#B43B1C

secondary

#60B6CC

accent

#CAF038

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43B1C

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

Preview Lab → · Contrast checker → · Palette generator →