#B43C1C#B43C1C

#B43C1C is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.162 H 35.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B43C1C
RGB	rgb(180, 60, 28)
HSL	hsl(13, 73%, 41%)
HSV	hsv(13, 84%, 71%)
CMYK	cmyk(0%, 66.7%, 84.4%, 29.4%)
CIE-LAB	lab(42.80, 47.15, 44.34)
CIE-LCH	lch(42.80, 64.73, 43.24°)
OKLab	oklab(52.48% 0.1318 0.0935)
OKLCH	oklch(52.48% 0.162 35.4)
XYZ	xyz(20.6502, 13.0219, 2.5245)
Luminance	0.1302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43C1C #1C94B4

analogous

#B41C48 #B43C1C #B4881C

triadic

#B43C1C #1CB43C #3C1CB4

tetradic

#B43C1C #48B41C #1C94B4 #881CB4

square

#B43C1C #48B41C #1C94B4 #881CB4

split-complementary

#B43C1C #1CB488 #1C48B4

monochromatic

#4A190C #7F2A14 #B43C1C #DF542F #E77F64

Accessibility & contrast

On white

5.83

#B43C1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43C1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43C1C

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43C1C	#FFFFFF	#000000	##FFFFFF
##B43C1C	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5416

Deuteranopia (green-blind)

#7D6F16

Tritanopia (blue-blind)

#C61636

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43c1c;
/* rgb */ color: rgb(180, 60, 28);
/* oklch */ color: oklch(52.5% 0.162 35.4);

Tailwind

colors: {
  custom: {
    50: '#d3785c',
    500: '#b43c1c',
    950: '#000000',
  },
}

SCSS

$custom: #b43c1c;
$custom-light: #d3785c;
$custom-dark: #000000;

JSON

{
  "hex": "#b43c1c",
  "rgb": {
    "r": 180,
    "g": 60,
    "b": 28
  },
  "hsl": {
    "h": 12.632,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52479,
    "c": 0.16156,
    "h": 35.4
  },
  "luminance": 0.13019
}

Semantic roles & 50–950 ramp

primary

#B43C1C

secondary

#60B5CC

accent

#C9F038

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43C1C

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

Preview Lab → · Contrast checker → · Palette generator →