#424447#424447

#424447 is a dark, near-neutral grey. Relative luminance 0.057; OKLCH L 38.6% C 0.006 H 258.3°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#424447
RGB	rgb(66, 68, 71)
HSL	hsl(216, 4%, 27%)
HSV	hsv(216, 7%, 28%)
CMYK	cmyk(7%, 4.2%, 0%, 72.2%)
CIE-LAB	lab(28.77, -0.14, -2.10)
CIE-LCH	lch(28.77, 2.10, 266.23°)
OKLab	oklab(38.59% -0.0012 -0.0056)
OKLCH	oklch(38.59% 0.006 258.3)
XYZ	xyz(5.4510, 5.7474, 6.7822)
Luminance	0.0575 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424447 #474542

analogous

#424747 #424447 #434247

triadic

#424447 #474244 #444742

tetradic

#424447 #474247 #474542 #424743

square

#424447 #474247 #474542 #424743

split-complementary

#424447 #474342 #474742

monochromatic

#0F0F10 #252627 #424447 #5F6267 #7D8186

Accessibility & contrast

On white

9.77

#424447 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#424447 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424447

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424447	#FFFFFF	#000000	##FFFFFF
##424447	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434447

Deuteranopia (green-blind)

#434447

Tritanopia (blue-blind)

#414545

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #424447;
/* rgb */ color: rgb(66, 68, 71);
/* oklch */ color: oklch(38.6% 0.006 258.3);

Tailwind

colors: {
  custom: {
    50: '#76777a',
    500: '#424447',
    950: '#000000',
  },
}

SCSS

$custom: #424447;
$custom-light: #76777a;
$custom-dark: #000000;

JSON

{
  "hex": "#424447",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 71
  },
  "hsl": {
    "h": 216,
    "s": 3.65,
    "l": 26.863
  },
  "oklch": {
    "l": 0.38585,
    "c": 0.00573,
    "h": 258.3
  },
  "luminance": 0.05747
}

Semantic roles & 50–950 ramp

primary

#424447

secondary

#75736F

accent

#997BAD

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #424447

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

Preview Lab → · Contrast checker → · Palette generator →