#B43340#B43340

#B43340 is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.165 H 19.6°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B43340
RGB	rgb(180, 51, 64)
HSL	hsl(354, 56%, 45%)
HSV	hsv(354, 72%, 71%)
CMYK	cmyk(0%, 71.7%, 64.4%, 29.4%)
CIE-LAB	lab(41.91, 52.33, 23.12)
CIE-LCH	lch(41.91, 57.21, 23.84°)
OKLab	oklab(51.96% 0.1552 0.0553)
OKLCH	oklch(51.96% 0.165 19.6)
XYZ	xyz(20.9338, 12.4442, 6.1492)
Luminance	0.1244 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43340 #33B4A7

analogous

#B43381 #B43340 #B46633

triadic

#B43340 #40B433 #3340B4

tetradic

#B43340 #81B433 #33B4A7 #6633B4

square

#B43340 #81B433 #33B4A7 #6633B4

split-complementary

#B43340 #33B466 #3381B4

monochromatic

#55181E #84252F #B43340 #CF5562 #DC858E

Accessibility & contrast

On white

6.02

#B43340 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B43340 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43340

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43340	#FFFFFF	#000000	##FFFFFF
##B43340	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565240

Deuteranopia (green-blind)

#776D3C

Tritanopia (blue-blind)

#C50939

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43340;
/* rgb */ color: rgb(180, 51, 64);
/* oklch */ color: oklch(52.0% 0.165 19.6);

Tailwind

colors: {
  custom: {
    50: '#d27474',
    500: '#b43340',
    950: '#000000',
  },
}

SCSS

$custom: #b43340;
$custom-light: #d27474;
$custom-dark: #000000;

JSON

{
  "hex": "#b43340",
  "rgb": {
    "r": 180,
    "g": 51,
    "b": 64
  },
  "hsl": {
    "h": 353.953,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51958,
    "c": 0.16471,
    "h": 19.6
  },
  "luminance": 0.12441
}

Semantic roles & 50–950 ramp

primary

#B43340

secondary

#7DC6BF

accent

#DFD049

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43340

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

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