#B43724#B43724

#B43724 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.165 H 31.5°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B43724
RGB	rgb(180, 55, 36)
HSL	hsl(8, 67%, 42%)
HSV	hsv(8, 80%, 71%)
CMYK	cmyk(0%, 69.4%, 80%, 29.4%)
CIE-LAB	lab(42.10, 49.46, 39.67)
CIE-LCH	lch(42.10, 63.40, 38.74°)
OKLab	oklab(51.98% 0.1403 0.086)
OKLCH	oklch(51.98% 0.165 31.5)
XYZ	xyz(20.5094, 12.5662, 3.0143)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43724 #24A1B4

analogous

#B42459 #B43724 #B47F24

triadic

#B43724 #24B437 #3724B4

tetradic

#B43724 #59B424 #24A1B4 #7F24B4

square

#B43724 #59B424 #24A1B4 #7F24B4

split-complementary

#B43724 #24B47F #2459B4

monochromatic

#4E1810 #81271A #B43724 #D8513D #E27F70

Accessibility & contrast

On white

5.98

#B43724 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B43724 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43724

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43724	#FFFFFF	#000000	##FFFFFF
##B43724	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5221

Deuteranopia (green-blind)

#7B6D1E

Tritanopia (blue-blind)

#C60834

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43724;
/* rgb */ color: rgb(180, 55, 36);
/* oklch */ color: oklch(52.0% 0.165 31.5);

Tailwind

colors: {
  custom: {
    50: '#d37560',
    500: '#b43724',
    950: '#000000',
  },
}

SCSS

$custom: #b43724;
$custom-light: #d37560;
$custom-dark: #000000;

JSON

{
  "hex": "#b43724",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 36
  },
  "hsl": {
    "h": 7.917,
    "s": 66.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.51979,
    "c": 0.16457,
    "h": 31.5
  },
  "luminance": 0.12563
}

Semantic roles & 50–950 ramp

primary

#B43724

secondary

#6BBDC9

accent

#D3EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B43724

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

Preview Lab → · Contrast checker → · Palette generator →