#B43140#B43140

#B43140 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.167 H 19.1°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B43140
RGB	rgb(180, 49, 64)
HSL	hsl(353, 57%, 45%)
HSV	hsv(353, 73%, 71%)
CMYK	cmyk(0%, 72.8%, 64.4%, 29.4%)
CIE-LAB	lab(41.65, 53.06, 22.78)
CIE-LCH	lch(41.65, 57.75, 23.23°)
OKLab	oklab(51.76% 0.1575 0.0545)
OKLCH	oklch(51.76% 0.167 19.1)
XYZ	xyz(20.8483, 12.2731, 6.1207)
Luminance	0.1227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43140 #31B4A5

analogous

#B43181 #B43140 #B46431

triadic

#B43140 #40B431 #3140B4

tetradic

#B43140 #81B431 #31B4A5 #6431B4

square

#B43140 #81B431 #31B4A5 #6431B4

split-complementary

#B43140 #31B464 #3181B4

monochromatic

#54171E #84242F #B43140 #D05261 #DD828D

Accessibility & contrast

On white

6.08

#B43140 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B43140 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43140

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43140	#FFFFFF	#000000	##FFFFFF
##B43140	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555140

Deuteranopia (green-blind)

#766C3C

Tritanopia (blue-blind)

#C50138

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43140;
/* rgb */ color: rgb(180, 49, 64);
/* oklch */ color: oklch(51.8% 0.167 19.1);

Tailwind

colors: {
  custom: {
    50: '#d27374',
    500: '#b43140',
    950: '#000000',
  },
}

SCSS

$custom: #b43140;
$custom-light: #d27374;
$custom-dark: #000000;

JSON

{
  "hex": "#b43140",
  "rgb": {
    "r": 180,
    "g": 49,
    "b": 64
  },
  "hsl": {
    "h": 353.13,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5176,
    "c": 0.16668,
    "h": 19.1
  },
  "luminance": 0.1227
}

Semantic roles & 50–950 ramp

primary

#B43140

secondary

#7BC6BE

accent

#E0CF47

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43140

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

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