#B43736#B43736

#B43736 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.162 H 25.1°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B43736
RGB	rgb(180, 55, 54)
HSL	hsl(0, 54%, 46%)
HSV	hsv(0, 70%, 71%)
CMYK	cmyk(0%, 69.4%, 70%, 29.4%)
CIE-LAB	lab(42.32, 50.22, 29.68)
CIE-LCH	lch(42.32, 58.34, 30.58°)
OKLab	oklab(52.21% 0.1464 0.0686)
OKLCH	oklch(52.21% 0.162 25.1)
XYZ	xyz(20.8567, 12.7051, 4.8434)
Luminance	0.1270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43736 #36B3B4

analogous

#B43674 #B43736 #B47636

triadic

#B43736 #36B437 #3736B4

tetradic

#B43736 #74B436 #36B3B4 #7636B4

square

#B43736 #74B436 #36B3B4 #7636B4

split-complementary

#B43736 #36B476 #3674B4

monochromatic

#561A1A #852928 #B43736 #CD5B5A #DC8A89

Accessibility & contrast

On white

5.93

#B43736 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B43736 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43736

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43736	#FFFFFF	#000000	##FFFFFF
##B43736	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5335

Deuteranopia (green-blind)

#796E32

Tritanopia (blue-blind)

#C61038

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43736;
/* rgb */ color: rgb(180, 55, 54);
/* oklch */ color: oklch(52.2% 0.162 25.1);

Tailwind

colors: {
  custom: {
    50: '#d2766d',
    500: '#b43736',
    950: '#000000',
  },
}

SCSS

$custom: #b43736;
$custom-light: #d2766d;
$custom-dark: #000000;

JSON

{
  "hex": "#b43736",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 54
  },
  "hsl": {
    "h": 0.476,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52207,
    "c": 0.16167,
    "h": 25.1
  },
  "luminance": 0.12702
}

Semantic roles & 50–950 ramp

primary

#B43736

secondary

#80C5C6

accent

#DCDD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B43736

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

Preview Lab → · Contrast checker → · Palette generator →