#B43D1B#B43D1B

#B43D1B is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.161 H 36.0°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B43D1B
RGB	rgb(180, 61, 27)
HSL	hsl(13, 74%, 41%)
HSV	hsv(13, 85%, 71%)
CMYK	cmyk(0%, 66.1%, 85%, 29.4%)
CIE-LAB	lab(42.95, 46.70, 44.94)
CIE-LCH	lch(42.95, 64.81, 43.90°)
OKLab	oklab(52.59% 0.1302 0.0945)
OKLCH	oklch(52.59% 0.161 36)
XYZ	xyz(20.6914, 13.1230, 2.4802)
Luminance	0.1312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43D1B #1B92B4

analogous

#B41B46 #B43D1B #B4891B

triadic

#B43D1B #1BB43D #3D1BB4

tetradic

#B43D1B #46B41B #1B92B4 #891BB4

square

#B43D1B #46B41B #1B92B4 #891BB4

split-complementary

#B43D1B #1BB489 #1B46B4

monochromatic

#4A190B #7F2B13 #B43D1B #DF542D #E78062

Accessibility & contrast

On white

5.79

#B43D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B43D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D1B

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43D1B	#FFFFFF	#000000	##FFFFFF
##B43D1B	1.00	5.79	3.62	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605515

Deuteranopia (green-blind)

#7D6F14

Tritanopia (blue-blind)

#C61837

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43d1b;
/* rgb */ color: rgb(180, 61, 27);
/* oklch */ color: oklch(52.6% 0.161 36.0);

Tailwind

colors: {
  custom: {
    50: '#d3785b',
    500: '#b43d1b',
    950: '#000000',
  },
}

SCSS

$custom: #b43d1b;
$custom-light: #d3785b;
$custom-dark: #000000;

JSON

{
  "hex": "#b43d1b",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 27
  },
  "hsl": {
    "h": 13.333,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.52591,
    "c": 0.16085,
    "h": 36
  },
  "luminance": 0.1312
}

Semantic roles & 50–950 ramp

primary

#B43D1B

secondary

#5FB4CC

accent

#C7F137

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43D1B

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

Preview Lab → · Contrast checker → · Palette generator →