#B43542#B43542

#B43542 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.163 H 19.2°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B43542
RGB	rgb(180, 53, 66)
HSL	hsl(354, 55%, 46%)
HSV	hsv(354, 71%, 71%)
CMYK	cmyk(0%, 70.6%, 63.3%, 29.4%)
CIE-LAB	lab(42.22, 51.69, 22.29)
CIE-LCH	lch(42.22, 56.29, 23.32°)
OKLab	oklab(52.2% 0.1535 0.0536)
OKLCH	oklch(52.2% 0.163 19.2)
XYZ	xyz(21.0810, 12.6459, 6.4840)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43542 #35B4A7

analogous

#B43581 #B43542 #B46735

triadic

#B43542 #42B435 #3542B4

tetradic

#B43542 #81B435 #35B4A7 #6735B4

square

#B43542 #81B435 #35B4A7 #6735B4

split-complementary

#B43542 #35B467 #3581B4

monochromatic

#55191F #852731 #B43542 #CE5864 #DC8890

Accessibility & contrast

On white

5.95

#B43542 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B43542 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43542

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43542	#FFFFFF	#000000	##FFFFFF
##B43542	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575342

Deuteranopia (green-blind)

#776D3E

Tritanopia (blue-blind)

#C5113B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43542;
/* rgb */ color: rgb(180, 53, 66);
/* oklch */ color: oklch(52.2% 0.163 19.2);

Tailwind

colors: {
  custom: {
    50: '#d17576',
    500: '#b43542',
    950: '#000000',
  },
}

SCSS

$custom: #b43542;
$custom-light: #d17576;
$custom-dark: #000000;

JSON

{
  "hex": "#b43542",
  "rgb": {
    "r": 180,
    "g": 53,
    "b": 66
  },
  "hsl": {
    "h": 353.858,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52202,
    "c": 0.16261,
    "h": 19.2
  },
  "luminance": 0.12643
}

Semantic roles & 50–950 ramp

primary

#B43542

secondary

#7FC6BE

accent

#DECF4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43542

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

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