#403C40#403C40

#403C40 is a dark, near-neutral grey. Relative luminance 0.047; OKLCH L 36.2% C 0.009 H 325.8°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#403C40
RGB	rgb(64, 60, 64)
HSL	hsl(300, 3%, 24%)
HSV	hsv(300, 6%, 25%)
CMYK	cmyk(0%, 6.2%, 0%, 74.9%)
CIE-LAB	lab(25.84, 2.60, -1.84)
CIE-LCH	lch(25.84, 3.19, 324.74°)
OKLab	oklab(36.17% 0.0072 -0.0049)
OKLCH	oklch(36.17% 0.009 325.8)
XYZ	xyz(4.6555, 4.6919, 5.5099)
Luminance	0.0469 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C40 #3C403C

analogous

#3E3C40 #403C40 #403C3E

triadic

#403C40 #40403C #3C4040

tetradic

#403C40 #403E3C #3C403C #3C3E40

square

#403C40 #403E3C #3C403C #3C3E40

split-complementary

#403C40 #3E403C #3C403E

monochromatic

#100F10 #201E20 #403C40 #605A60 #7F777F

Accessibility & contrast

On white

10.83

#403C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C40

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C40	#FFFFFF	#000000	##FFFFFF
##403C40	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3D40

Deuteranopia (green-blind)

#3D3D40

Tritanopia (blue-blind)

#403C3D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403c40;
/* rgb */ color: rgb(64, 60, 64);
/* oklch */ color: oklch(36.2% 0.009 325.8);

Tailwind

colors: {
  custom: {
    50: '#747174',
    500: '#403c40',
    950: '#000000',
  },
}

SCSS

$custom: #403c40;
$custom-light: #747174;
$custom-dark: #000000;

JSON

{
  "hex": "#403c40",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 300,
    "s": 3.226,
    "l": 24.314
  },
  "oklch": {
    "l": 0.36166,
    "c": 0.00866,
    "h": 325.8
  },
  "luminance": 0.04692
}

Semantic roles & 50–950 ramp

primary

#403C40

secondary

#696E69

accent

#AC7B7B

background

#F7F6F7

surface

#EDECED

border

#C8C7C8

text

#080708

muted

#7B7A7B

Preview Lab

Preview with #403C40

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

Preview Lab → · Contrast checker → · Palette generator →