#B43E1E#B43E1E

#B43E1E is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.159 H 35.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B43E1E
RGB	rgb(180, 62, 30)
HSL	hsl(13, 71%, 41%)
HSV	hsv(13, 83%, 71%)
CMYK	cmyk(0%, 65.6%, 83.3%, 29.4%)
CIE-LAB	lab(43.13, 46.35, 43.70)
CIE-LCH	lch(43.13, 63.70, 43.31°)
OKLab	oklab(52.74% 0.1296 0.0928)
OKLCH	oklch(52.74% 0.159 35.6)
XYZ	xyz(20.7817, 13.2453, 2.6904)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E1E #1E94B4

analogous

#B41E49 #B43E1E #B4891E

triadic

#B43E1E #1EB43E #3E1EB4

tetradic

#B43E1E #49B41E #1E94B4 #891EB4

square

#B43E1E #49B41E #1E94B4 #891EB4

split-complementary

#B43E1E #1EB489 #1E49B4

monochromatic

#4B1A0D #802C15 #B43E1E #DD5732 #E68267

Accessibility & contrast

On white

5.76

#B43E1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B43E1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E1E

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E1E	#FFFFFF	#000000	##FFFFFF
##B43E1E	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)

#605519

Deuteranopia (green-blind)

#7D7018

Tritanopia (blue-blind)

#C61B38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e1e;
/* rgb */ color: rgb(180, 62, 30);
/* oklch */ color: oklch(52.7% 0.159 35.6);

Tailwind

colors: {
  custom: {
    50: '#d3795d',
    500: '#b43e1e',
    950: '#000000',
  },
}

SCSS

$custom: #b43e1e;
$custom-light: #d3795d;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e1e",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 30
  },
  "hsl": {
    "h": 12.8,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.52735,
    "c": 0.1594,
    "h": 35.6
  },
  "luminance": 0.13242
}

Semantic roles & 50–950 ramp

primary

#B43E1E

secondary

#63B5CB

accent

#C8EE3A

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43E1E

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

Preview Lab → · Contrast checker → · Palette generator →