#B43D40#B43D40

#B43D40 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.154 H 22.7°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B43D40
RGB	rgb(180, 61, 64)
HSL	hsl(358, 49%, 47%)
HSV	hsv(358, 66%, 71%)
CMYK	cmyk(0%, 66.1%, 64.4%, 29.4%)
CIE-LAB	lab(43.38, 48.32, 24.98)
CIE-LCH	lch(43.38, 54.39, 27.34°)
OKLab	oklab(53.05% 0.1424 0.0595)
OKLCH	oklch(53.05% 0.154 22.7)
XYZ	xyz(21.4187, 13.4139, 6.3108)
Luminance	0.1341 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43D40 #3DB4B1

analogous

#B43D7C #B43D40 #B4753D

triadic

#B43D40 #40B43D #3D40B4

tetradic

#B43D40 #7CB43D #3DB4B1 #753DB4

square

#B43D40 #7CB43D #3DB4B1 #753DB4

split-complementary

#B43D40 #3DB475 #3D7CB4

monochromatic

#591E1F #862E30 #B43D40 #CA6466 #DA9293

Accessibility & contrast

On white

5.70

#B43D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B43D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D40

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43D40	#FFFFFF	#000000	##FFFFFF
##B43D40	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563F

Deuteranopia (green-blind)

#7A703D

Tritanopia (blue-blind)

#C5213F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43d40;
/* rgb */ color: rgb(180, 61, 64);
/* oklch */ color: oklch(53.1% 0.154 22.7);

Tailwind

colors: {
  custom: {
    50: '#d17974',
    500: '#b43d40',
    950: '#000000',
  },
}

SCSS

$custom: #b43d40;
$custom-light: #d17974;
$custom-dark: #000000;

JSON

{
  "hex": "#b43d40",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 358.487,
    "s": 49.378,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53054,
    "c": 0.15435,
    "h": 22.7
  },
  "luminance": 0.13411
}

Semantic roles & 50–950 ramp

primary

#B43D40

secondary

#88C5C3

accent

#D9D54F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43D40

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

Preview Lab → · Contrast checker → · Palette generator →