#B43A16#B43A16

#B43A16 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.164 H 36.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B43A16
RGB	rgb(180, 58, 22)
HSL	hsl(14, 78%, 40%)
HSV	hsv(14, 88%, 71%)
CMYK	cmyk(0%, 67.8%, 87.8%, 29.4%)
CIE-LAB	lab(42.45, 47.85, 46.72)
CIE-LCH	lch(42.45, 66.87, 44.32°)
OKLab	oklab(52.2% 0.133 0.0965)
OKLCH	oklch(52.2% 0.164 36)
XYZ	xyz(20.4827, 12.7904, 2.1492)
Luminance	0.1279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A16 #1690B4

analogous

#B41641 #B43A16 #B48916

triadic

#B43A16 #16B43A #3A16B4

tetradic

#B43A16 #41B416 #1690B4 #8916B4

square

#B43A16 #41B416 #1690B4 #8916B4

split-complementary

#B43A16 #16B489 #1641B4

monochromatic

#471709 #7D280F #B43A16 #E44F23 #EB7B5A

Accessibility & contrast

On white

5.90

#B43A16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B43A16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A16

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A16	#FFFFFF	#000000	##FFFFFF
##B43A16	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E530F

Deuteranopia (green-blind)

#7C6E0D

Tritanopia (blue-blind)

#C70F34

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43a16;
/* rgb */ color: rgb(180, 58, 22);
/* oklch */ color: oklch(52.2% 0.164 36.0);

Tailwind

colors: {
  custom: {
    50: '#d47758',
    500: '#b43a16',
    950: '#000000',
  },
}

SCSS

$custom: #b43a16;
$custom-light: #d47758;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a16",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 22
  },
  "hsl": {
    "h": 13.671,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.52203,
    "c": 0.16432,
    "h": 36
  },
  "luminance": 0.12787
}

Semantic roles & 50–950 ramp

primary

#B43A16

secondary

#58B3CE

accent

#C9F533

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B43A16

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

Preview Lab → · Contrast checker → · Palette generator →