#404440#404440

#404440 is a dark, near-neutral grey. Relative luminance 0.056; OKLCH L 38.2% C 0.009 H 145.4°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#404440
RGB	rgb(64, 68, 64)
HSL	hsl(120, 3%, 26%)
HSV	hsv(120, 6%, 27%)
CMYK	cmyk(5.9%, 0%, 5.9%, 73.3%)
CIE-LAB	lab(28.37, -2.56, 1.85)
CIE-LCH	lch(28.37, 3.16, 144.15°)
OKLab	oklab(38.15% -0.007 0.0048)
OKLCH	oklch(38.15% 0.009 145.4)
XYZ	xyz(5.1067, 5.5944, 5.6603)
Luminance	0.0559 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404440 #444044

analogous

#424440 #404440 #404442

triadic

#404440 #404044 #444040

tetradic

#404440 #404244 #444044 #444240

square

#404440 #404244 #444044 #444240

split-complementary

#404440 #424044 #444042

monochromatic

#0F100F #222422 #404440 #5E645E #7B837B

Accessibility & contrast

On white

9.91

#404440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#404440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404440

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404440	#FFFFFF	#000000	##FFFFFF
##404440	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444340

Deuteranopia (green-blind)

#434340

Tritanopia (blue-blind)

#404443

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #404440;
/* rgb */ color: rgb(64, 68, 64);
/* oklch */ color: oklch(38.2% 0.009 145.4);

Tailwind

colors: {
  custom: {
    50: '#747774',
    500: '#404440',
    950: '#000000',
  },
}

SCSS

$custom: #404440;
$custom-light: #747774;
$custom-dark: #000000;

JSON

{
  "hex": "#404440",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 3.03,
    "l": 25.882
  },
  "oklch": {
    "l": 0.38151,
    "c": 0.00853,
    "h": 145.4
  },
  "luminance": 0.05594
}

Semantic roles & 50–950 ramp

primary

#404440

secondary

#726E72

accent

#7CACAC

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #404440

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

Preview Lab → · Contrast checker → · Palette generator →