#B43718#B43718

#B43718 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.167 H 34.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B43718
RGB	rgb(180, 55, 24)
HSL	hsl(12, 76%, 40%)
HSV	hsv(12, 87%, 71%)
CMYK	cmyk(0%, 69.4%, 86.7%, 29.4%)
CIE-LAB	lab(42.01, 49.12, 45.49)
CIE-LCH	lch(42.01, 66.95, 42.80°)
OKLab	oklab(51.88% 0.1372 0.0945)
OKLCH	oklch(51.88% 0.167 34.6)
XYZ	xyz(20.3559, 12.5047, 2.2058)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43718 #1895B4

analogous

#B41847 #B43718 #B48518

triadic

#B43718 #18B437 #3718B4

tetradic

#B43718 #47B418 #1895B4 #8518B4

square

#B43718 #47B418 #1895B4 #8518B4

split-complementary

#B43718 #18B485 #1847B4

monochromatic

#48160A #7E2611 #B43718 #E24C27 #E9795D

Accessibility & contrast

On white

6.00

#B43718 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B43718 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43718

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43718	#FFFFFF	#000000	##FFFFFF
##B43718	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5112

Deuteranopia (green-blind)

#7B6D10

Tritanopia (blue-blind)

#C70432

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43718;
/* rgb */ color: rgb(180, 55, 24);
/* oklch */ color: oklch(51.9% 0.167 34.6);

Tailwind

colors: {
  custom: {
    50: '#d47559',
    500: '#b43718',
    950: '#000000',
  },
}

SCSS

$custom: #b43718;
$custom-light: #d47559;
$custom-dark: #000000;

JSON

{
  "hex": "#b43718",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 24
  },
  "hsl": {
    "h": 11.923,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.51878,
    "c": 0.16658,
    "h": 34.6
  },
  "luminance": 0.12502
}

Semantic roles & 50–950 ramp

primary

#B43718

secondary

#5BB6CD

accent

#CDF335

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43718

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

Preview Lab → · Contrast checker → · Palette generator →