#B43719#B43719

#B43719 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.166 H 34.3°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B43719
RGB	rgb(180, 55, 25)
HSL	hsl(12, 76%, 40%)
HSV	hsv(12, 86%, 71%)
CMYK	cmyk(0%, 69.4%, 86.1%, 29.4%)
CIE-LAB	lab(42.01, 49.14, 45.05)
CIE-LCH	lch(42.01, 66.66, 42.51°)
OKLab	oklab(51.89% 0.1374 0.0939)
OKLCH	oklch(51.89% 0.166 34.3)
XYZ	xyz(20.3665, 12.5090, 2.2616)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43719 #1996B4

analogous

#B41948 #B43719 #B48519

triadic

#B43719 #19B437 #3719B4

tetradic

#B43719 #48B419 #1996B4 #8519B4

square

#B43719 #48B419 #1996B4 #8519B4

split-complementary

#B43719 #19B485 #1948B4

monochromatic

#49160A #7E2712 #B43719 #E14D29 #E9795F

Accessibility & contrast

On white

6.00

#B43719 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B43719 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43719

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43719	#FFFFFF	#000000	##FFFFFF
##B43719	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)

#5C5113

Deuteranopia (green-blind)

#7B6D11

Tritanopia (blue-blind)

#C70432

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43719;
/* rgb */ color: rgb(180, 55, 25);
/* oklch */ color: oklch(51.9% 0.166 34.3);

Tailwind

colors: {
  custom: {
    50: '#d47559',
    500: '#b43719',
    950: '#000000',
  },
}

SCSS

$custom: #b43719;
$custom-light: #d47559;
$custom-dark: #000000;

JSON

{
  "hex": "#b43719",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 25
  },
  "hsl": {
    "h": 11.613,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51885,
    "c": 0.16643,
    "h": 34.3
  },
  "luminance": 0.12506
}

Semantic roles & 50–950 ramp

primary

#B43719

secondary

#5CB7CD

accent

#CEF236

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43719

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

Preview Lab → · Contrast checker → · Palette generator →