#403640#403640

#403640 is a dark, muted purple. Relative luminance 0.041; OKLCH L 34.7% C 0.022 H 326.0°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#403640
RGB	rgb(64, 54, 64)
HSL	hsl(300, 8%, 23%)
HSV	hsv(300, 16%, 25%)
CMYK	cmyk(0%, 15.6%, 0%, 74.9%)
CIE-LAB	lab(23.99, 6.58, -4.57)
CIE-LCH	lch(23.99, 8.01, 325.19°)
OKLab	oklab(34.73% 0.0181 -0.0122)
OKLCH	oklch(34.73% 0.022 326)
XYZ	xyz(4.3588, 4.0986, 5.4110)
Luminance	0.0410 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403640 #364036

analogous

#3B3640 #403640 #40363B

triadic

#403640 #404036 #364040

tetradic

#403640 #403B36 #364036 #363B40

square

#403640 #403B36 #364036 #363B40

split-complementary

#403640 #3B4036 #36403B

monochromatic

#110E11 #1F1A1F #403640 #615261 #826E82

Accessibility & contrast

On white

11.54

#403640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#403640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403640

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403640	#FFFFFF	#000000	##FFFFFF
##403640	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353840

Deuteranopia (green-blind)

#383940

Tritanopia (blue-blind)

#413739

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #403640;
/* rgb */ color: rgb(64, 54, 64);
/* oklch */ color: oklch(34.7% 0.022 326.0);

Tailwind

colors: {
  custom: {
    50: '#746d74',
    500: '#403640',
    950: '#000000',
  },
}

SCSS

$custom: #403640;
$custom-light: #746d74;
$custom-dark: #000000;

JSON

{
  "hex": "#403640",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 300,
    "s": 8.475,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3473,
    "c": 0.02185,
    "h": 326
  },
  "luminance": 0.04098
}

Semantic roles & 50–950 ramp

primary

#403640

secondary

#636F63

accent

#B17676

background

#F7F6F7

surface

#EDEBED

border

#C8C6C8

text

#080708

muted

#7B7A7B

Preview Lab

Preview with #403640

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

Preview Lab → · Contrast checker → · Palette generator →