#B43A42#B43A42

#B43A42 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.157 H 20.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B43A42
RGB	rgb(180, 58, 66)
HSL	hsl(356, 51%, 47%)
HSV	hsv(356, 68%, 71%)
CMYK	cmyk(0%, 67.8%, 63.3%, 29.4%)
CIE-LAB	lab(42.95, 49.70, 23.22)
CIE-LCH	lch(42.95, 54.86, 25.04°)
OKLab	oklab(52.74% 0.1472 0.0557)
OKLCH	oklch(52.74% 0.157 20.7)
XYZ	xyz(21.3209, 13.1257, 6.5640)
Luminance	0.1312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A42 #3AB4AC

analogous

#B43A7F #B43A42 #B46F3A

triadic

#B43A42 #42B43A #3A42B4

tetradic

#B43A42 #7FB43A #3AB4AC #6F3AB4

square

#B43A42 #7FB43A #3AB4AC #6F3AB4

split-complementary

#B43A42 #3AB46F #3A7FB4

monochromatic

#571C20 #862B31 #B43A42 #CC6067 #DB8E93

Accessibility & contrast

On white

5.79

#B43A42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B43A42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A42

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A42	#FFFFFF	#000000	##FFFFFF
##B43A42	1.00	5.79	3.62	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5541

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#C51C3E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43a42;
/* rgb */ color: rgb(180, 58, 66);
/* oklch */ color: oklch(52.7% 0.157 20.7);

Tailwind

colors: {
  custom: {
    50: '#d17776',
    500: '#b43a42',
    950: '#000000',
  },
}

SCSS

$custom: #b43a42;
$custom-light: #d17776;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a42",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 356.066,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52744,
    "c": 0.15738,
    "h": 20.7
  },
  "luminance": 0.13123
}

Semantic roles & 50–950 ramp

primary

#B43A42

secondary

#85C5C1

accent

#DBD14D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43A42

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

Preview Lab → · Contrast checker → · Palette generator →