#B43C18#B43C18

#B43C18 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.162 H 36.3°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B43C18
RGB	rgb(180, 60, 24)
HSL	hsl(14, 76%, 40%)
HSV	hsv(14, 87%, 71%)
CMYK	cmyk(0%, 66.7%, 86.7%, 29.4%)
CIE-LAB	lab(42.77, 47.05, 46.13)
CIE-LCH	lch(42.77, 65.89, 44.43°)
OKLab	oklab(52.45% 0.1308 0.096)
OKLCH	oklch(52.45% 0.162 36.3)
XYZ	xyz(20.6055, 13.0041, 2.2890)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43C18 #1890B4

analogous

#B41842 #B43C18 #B48A18

triadic

#B43C18 #18B43C #3C18B4

tetradic

#B43C18 #42B418 #1890B4 #8A18B4

square

#B43C18 #42B418 #1890B4 #8A18B4

split-complementary

#B43C18 #18B48A #1842B4

monochromatic

#48180A #7E2A11 #B43C18 #E25227 #E97D5D

Accessibility & contrast

On white

5.83

#B43C18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43C18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43C18

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43C18	#FFFFFF	#000000	##FFFFFF
##B43C18	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)

#5F5411

Deuteranopia (green-blind)

#7D6F11

Tritanopia (blue-blind)

#C71535

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43c18;
/* rgb */ color: rgb(180, 60, 24);
/* oklch */ color: oklch(52.4% 0.162 36.3);

Tailwind

colors: {
  custom: {
    50: '#d47859',
    500: '#b43c18',
    950: '#000000',
  },
}

SCSS

$custom: #b43c18;
$custom-light: #d47859;
$custom-dark: #000000;

JSON

{
  "hex": "#b43c18",
  "rgb": {
    "r": 180,
    "g": 60,
    "b": 24
  },
  "hsl": {
    "h": 13.846,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.5245,
    "c": 0.16226,
    "h": 36.3
  },
  "luminance": 0.13001
}

Semantic roles & 50–950 ramp

primary

#B43C18

secondary

#5BB3CD

accent

#C7F335

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43C18

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

Preview Lab → · Contrast checker → · Palette generator →