#B43E1C#B43E1C

#B43E1C is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.160 H 36.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B43E1C
RGB	rgb(180, 62, 28)
HSL	hsl(13, 73%, 41%)
HSV	hsv(13, 84%, 71%)
CMYK	cmyk(0%, 65.6%, 84.4%, 29.4%)
CIE-LAB	lab(43.12, 46.29, 44.63)
CIE-LCH	lch(43.12, 64.30, 43.95°)
OKLab	oklab(52.72% 0.1291 0.0942)
OKLCH	oklch(52.72% 0.16 36.1)
XYZ	xyz(20.7570, 13.2355, 2.5601)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E1C #1C92B4

analogous

#B41C46 #B43E1C #B48A1C

triadic

#B43E1C #1CB43E #3E1CB4

tetradic

#B43E1C #46B41C #1C92B4 #8A1CB4

square

#B43E1C #46B41C #1C92B4 #8A1CB4

split-complementary

#B43E1C #1CB48A #1C46B4

monochromatic

#4A1A0C #7F2C14 #B43E1C #DF562F #E78164

Accessibility & contrast

On white

5.76

#B43E1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B43E1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E1C

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E1C	#FFFFFF	#000000	##FFFFFF
##B43E1C	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605516

Deuteranopia (green-blind)

#7D7016

Tritanopia (blue-blind)

#C61B38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e1c;
/* rgb */ color: rgb(180, 62, 28);
/* oklch */ color: oklch(52.7% 0.160 36.1);

Tailwind

colors: {
  custom: {
    50: '#d3795c',
    500: '#b43e1c',
    950: '#000000',
  },
}

SCSS

$custom: #b43e1c;
$custom-light: #d3795c;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e1c",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 28
  },
  "hsl": {
    "h": 13.421,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52719,
    "c": 0.15978,
    "h": 36.1
  },
  "luminance": 0.13232
}

Semantic roles & 50–950 ramp

primary

#B43E1C

secondary

#60B4CC

accent

#C7F038

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43E1C

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

Preview Lab → · Contrast checker → · Palette generator →