#B43C24#B43C24

#B43C24 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.160 H 33.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B43C24
RGB	rgb(180, 60, 36)
HSL	hsl(10, 67%, 42%)
HSV	hsv(10, 80%, 71%)
CMYK	cmyk(0%, 66.7%, 80%, 29.4%)
CIE-LAB	lab(42.86, 47.40, 40.43)
CIE-LCH	lch(42.86, 62.30, 40.47°)
OKLab	oklab(52.55% 0.1339 0.0877)
OKLCH	oklch(52.55% 0.16 33.2)
XYZ	xyz(20.7590, 13.0655, 3.0975)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43C24 #249CB4

analogous

#B42454 #B43C24 #B48424

triadic

#B43C24 #24B43C #3C24B4

tetradic

#B43C24 #54B424 #249CB4 #8424B4

square

#B43C24 #54B424 #249CB4 #8424B4

split-complementary

#B43C24 #24B484 #2454B4

monochromatic

#4E1A10 #812B1A #B43C24 #D8573D #E28370

Accessibility & contrast

On white

5.81

#B43C24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B43C24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43C24

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43C24	#FFFFFF	#000000	##FFFFFF
##B43C24	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5420

Deuteranopia (green-blind)

#7C6F1F

Tritanopia (blue-blind)

#C61837

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43c24;
/* rgb */ color: rgb(180, 60, 36);
/* oklch */ color: oklch(52.5% 0.160 33.2);

Tailwind

colors: {
  custom: {
    50: '#d37861',
    500: '#b43c24',
    950: '#000000',
  },
}

SCSS

$custom: #b43c24;
$custom-light: #d37861;
$custom-dark: #000000;

JSON

{
  "hex": "#b43c24",
  "rgb": {
    "r": 180,
    "g": 60,
    "b": 36
  },
  "hsl": {
    "h": 10,
    "s": 66.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52549,
    "c": 0.16004,
    "h": 33.2
  },
  "luminance": 0.13062
}

Semantic roles & 50–950 ramp

primary

#B43C24

secondary

#6BB9C9

accent

#CDEA3E

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43C24

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

Preview Lab → · Contrast checker → · Palette generator →