#424440#424440

#424440 is a dark, near-neutral grey. Relative luminance 0.057; OKLCH L 38.3% C 0.007 H 128.6°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#424440
RGB	rgb(66, 68, 64)
HSL	hsl(90, 3%, 26%)
HSV	hsv(90, 6%, 27%)
CMYK	cmyk(2.9%, 0%, 5.9%, 73.3%)
CIE-LAB	lab(28.55, -1.72, 2.13)
CIE-LCH	lch(28.55, 2.74, 128.84°)
OKLab	oklab(38.34% -0.0045 0.0056)
OKLCH	oklch(38.34% 0.007 128.6)
XYZ	xyz(5.2392, 5.6627, 5.6665)
Luminance	0.0566 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424440 #424044

analogous

#444440 #424440 #404440

triadic

#424440 #404244 #444042

tetradic

#424440 #404444 #424044 #444040

square

#424440 #404444 #424044 #444040

split-complementary

#424440 #404044 #444044

monochromatic

#0F100F #232422 #424440 #61645E #7F837B

Accessibility & contrast

On white

9.85

#424440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#424440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424440

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424440	#FFFFFF	#000000	##FFFFFF
##424440	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444340

Deuteranopia (green-blind)

#444340

Tritanopia (blue-blind)

#424443

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #424440;
/* rgb */ color: rgb(66, 68, 64);
/* oklch */ color: oklch(38.3% 0.007 128.6);

Tailwind

colors: {
  custom: {
    50: '#767774',
    500: '#424440',
    950: '#000000',
  },
}

SCSS

$custom: #424440;
$custom-light: #767774;
$custom-dark: #000000;

JSON

{
  "hex": "#424440",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 64
  },
  "hsl": {
    "h": 90,
    "s": 3.03,
    "l": 25.882
  },
  "oklch": {
    "l": 0.38338,
    "c": 0.00716,
    "h": 128.6
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#424440

secondary

#706E72

accent

#7CAC94

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #424440

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

Preview Lab → · Contrast checker → · Palette generator →