#B43A45#B43A45

#B43A45 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.157 H 19.3°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B43A45
RGB	rgb(180, 58, 69)
HSL	hsl(355, 51%, 47%)
HSV	hsv(355, 68%, 71%)
CMYK	cmyk(0%, 67.8%, 61.7%, 29.4%)
CIE-LAB	lab(43.01, 49.90, 21.45)
CIE-LCH	lch(43.01, 54.31, 23.27°)
OKLab	oklab(52.8% 0.1484 0.0519)
OKLCH	oklch(52.8% 0.157 19.3)
XYZ	xyz(21.4117, 13.1621, 7.0421)
Luminance	0.1316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A45 #3AB4A9

analogous

#B43A82 #B43A45 #B46C3A

triadic

#B43A45 #45B43A #3A45B4

tetradic

#B43A45 #82B43A #3AB4A9 #6C3AB4

square

#B43A45 #82B43A #3AB4A9 #6C3AB4

split-complementary

#B43A45 #3AB46C #3A82B4

monochromatic

#571C22 #862B33 #B43A45 #CC6069 #DB8E95

Accessibility & contrast

On white

5.78

#B43A45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B43A45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A45

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A45	#FFFFFF	#000000	##FFFFFF
##B43A45	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5545

Deuteranopia (green-blind)

#796F42

Tritanopia (blue-blind)

#C51D3F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43a45;
/* rgb */ color: rgb(180, 58, 69);
/* oklch */ color: oklch(52.8% 0.157 19.3);

Tailwind

colors: {
  custom: {
    50: '#d17878',
    500: '#b43a45',
    950: '#000000',
  },
}

SCSS

$custom: #b43a45;
$custom-light: #d17878;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a45",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 69
  },
  "hsl": {
    "h": 354.59,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52803,
    "c": 0.15721,
    "h": 19.3
  },
  "luminance": 0.13159
}

Semantic roles & 50–950 ramp

primary

#B43A45

secondary

#85C5BF

accent

#DBCE4D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B43A45

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

Preview Lab → · Contrast checker → · Palette generator →