#423440#423440

#423440 is a dark, muted purple. Relative luminance 0.040; OKLCH L 34.5% C 0.028 H 331.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#423440
RGB	rgb(66, 52, 64)
HSL	hsl(309, 12%, 23%)
HSV	hsv(309, 21%, 26%)
CMYK	cmyk(0%, 21.2%, 3%, 74.1%)
CIE-LAB	lab(23.62, 8.76, -5.11)
CIE-LCH	lch(23.62, 10.14, 329.73°)
OKLab	oklab(34.49% 0.0246 -0.0136)
OKLCH	oklch(34.49% 0.028 331)
XYZ	xyz(4.4001, 3.9845, 5.3868)
Luminance	0.0398 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423440 #344236

analogous

#3D3442 #423440 #423439

triadic

#423440 #404234 #344042

tetradic

#423440 #423D34 #344236 #343942

square

#423440 #423D34 #344236 #343942

split-complementary

#423440 #394234 #34423D

monochromatic

#110D11 #20191F #423440 #644F61 #866A82

Accessibility & contrast

On white

11.69

#423440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#423440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423440

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423440	#FFFFFF	#000000	##FFFFFF
##423440	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343741

Deuteranopia (green-blind)

#373940

Tritanopia (blue-blind)

#433538

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #423440;
/* rgb */ color: rgb(66, 52, 64);
/* oklch */ color: oklch(34.5% 0.028 331.0);

Tailwind

colors: {
  custom: {
    50: '#766b74',
    500: '#423440',
    950: '#000000',
  },
}

SCSS

$custom: #423440;
$custom-light: #766b74;
$custom-dark: #000000;

JSON

{
  "hex": "#423440",
  "rgb": {
    "r": 66,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 308.571,
    "s": 11.864,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34493,
    "c": 0.0281,
    "h": 331
  },
  "luminance": 0.03984
}

Semantic roles & 50–950 ramp

primary

#423440

secondary

#607263

accent

#B57C73

background

#F7F6F7

surface

#EDEBED

border

#C8C6C8

text

#080608

muted

#7B7A7B

Preview Lab

Preview with #423440

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

Preview Lab → · Contrast checker → · Palette generator →