#B43B43#B43B43

#B43B43 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.156 H 20.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B43B43
RGB	rgb(180, 59, 67)
HSL	hsl(356, 51%, 47%)
HSV	hsv(356, 67%, 71%)
CMYK	cmyk(0%, 67.2%, 62.8%, 29.4%)
CIE-LAB	lab(43.12, 49.35, 22.83)
CIE-LCH	lch(43.12, 54.37, 24.82°)
OKLab	oklab(52.88% 0.1463 0.0549)
OKLCH	oklch(52.88% 0.156 20.6)
XYZ	xyz(21.4016, 13.2395, 6.7376)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B43 #3BB4AC

analogous

#B43B80 #B43B43 #B4703B

triadic

#B43B43 #43B43B #3B43B4

tetradic

#B43B43 #80B43B #3BB4AC #703BB4

square

#B43B43 #80B43B #3BB4AC #703BB4

split-complementary

#B43B43 #3BB470 #3B80B4

monochromatic

#581D21 #862C32 #B43B43 #CB6168 #DA8F94

Accessibility & contrast

On white

5.76

#B43B43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B43B43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B43

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B43	#FFFFFF	#000000	##FFFFFF
##B43B43	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5642

Deuteranopia (green-blind)

#796F40

Tritanopia (blue-blind)

#C51E3F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43b43;
/* rgb */ color: rgb(180, 59, 67);
/* oklch */ color: oklch(52.9% 0.156 20.6);

Tailwind

colors: {
  custom: {
    50: '#d17877',
    500: '#b43b43',
    950: '#000000',
  },
}

SCSS

$custom: #b43b43;
$custom-light: #d17877;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b43",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 67
  },
  "hsl": {
    "h": 356.033,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52877,
    "c": 0.15625,
    "h": 20.6
  },
  "luminance": 0.13236
}

Semantic roles & 50–950 ramp

primary

#B43B43

secondary

#86C5C1

accent

#DAD14E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43B43

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

Preview Lab → · Contrast checker → · Palette generator →