#B43240#B43240

#B43240 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.166 H 19.3°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B43240
RGB	rgb(180, 50, 64)
HSL	hsl(354, 57%, 45%)
HSV	hsv(354, 72%, 71%)
CMYK	cmyk(0%, 72.2%, 64.4%, 29.4%)
CIE-LAB	lab(41.78, 52.70, 22.95)
CIE-LCH	lch(41.78, 57.48, 23.53°)
OKLab	oklab(51.86% 0.1564 0.0549)
OKLCH	oklch(51.86% 0.166 19.3)
XYZ	xyz(20.8906, 12.3577, 6.1348)
Luminance	0.1235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43240 #32B4A6

analogous

#B43281 #B43240 #B46532

triadic

#B43240 #40B432 #3240B4

tetradic

#B43240 #81B432 #32B4A6 #6532B4

square

#B43240 #81B432 #32B4A6 #6532B4

split-complementary

#B43240 #32B465 #3281B4

monochromatic

#54171E #84252F #B43240 #CF5461 #DD848D

Accessibility & contrast

On white

6.05

#B43240 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B43240 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43240

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43240	#FFFFFF	#000000	##FFFFFF
##B43240	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565140

Deuteranopia (green-blind)

#776D3C

Tritanopia (blue-blind)

#C50538

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43240;
/* rgb */ color: rgb(180, 50, 64);
/* oklch */ color: oklch(51.9% 0.166 19.3);

Tailwind

colors: {
  custom: {
    50: '#d27374',
    500: '#b43240',
    950: '#000000',
  },
}

SCSS

$custom: #b43240;
$custom-light: #d27374;
$custom-dark: #000000;

JSON

{
  "hex": "#b43240",
  "rgb": {
    "r": 180,
    "g": 50,
    "b": 64
  },
  "hsl": {
    "h": 353.538,
    "s": 56.522,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51858,
    "c": 0.1657,
    "h": 19.3
  },
  "luminance": 0.12355
}

Semantic roles & 50–950 ramp

primary

#B43240

secondary

#7CC6BE

accent

#E0CF48

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43240

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

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