#403440#403440

#403440 is a dark, muted purple. Relative luminance 0.039; OKLCH L 34.3% C 0.026 H 326.1°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#403440
RGB	rgb(64, 52, 64)
HSL	hsl(300, 10%, 23%)
HSV	hsv(300, 19%, 25%)
CMYK	cmyk(0%, 18.8%, 0%, 74.9%)
CIE-LAB	lab(23.39, 7.92, -5.47)
CIE-LCH	lch(23.39, 9.63, 325.34°)
OKLab	oklab(34.26% 0.0218 -0.0146)
OKLCH	oklch(34.26% 0.026 326.1)
XYZ	xyz(4.2676, 3.9162, 5.3806)
Luminance	0.0392 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403440 #344034

analogous

#3A3440 #403440 #40343A

triadic

#403440 #404034 #344040

tetradic

#403440 #403A34 #344034 #343A40

square

#403440 #403A34 #344034 #343A40

split-complementary

#403440 #3A4034 #34403A

monochromatic

#110E11 #1E191E #403440 #624F62 #846B84

Accessibility & contrast

On white

11.78

#403440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#403440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403440

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403440	#FFFFFF	#000000	##FFFFFF
##403440	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333741

Deuteranopia (green-blind)

#363840

Tritanopia (blue-blind)

#413538

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #403440;
/* rgb */ color: rgb(64, 52, 64);
/* oklch */ color: oklch(34.3% 0.026 326.1);

Tailwind

colors: {
  custom: {
    50: '#756b74',
    500: '#403440',
    950: '#000000',
  },
}

SCSS

$custom: #403440;
$custom-light: #756b74;
$custom-dark: #000000;

JSON

{
  "hex": "#403440",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 300,
    "s": 10.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34264,
    "c": 0.02628,
    "h": 326.1
  },
  "luminance": 0.03916
}

Semantic roles & 50–950 ramp

primary

#403440

secondary

#606F60

accent

#B37575

background

#F7F6F7

surface

#EDEBED

border

#C8C6C8

text

#080608

muted

#7B7A7B

Preview Lab

Preview with #403440

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

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