#424347#424347

#424347 is a dark, near-neutral grey. Relative luminance 0.056; OKLCH L 38.3% C 0.007 H 274.8°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#424347
RGB	rgb(66, 67, 71)
HSL	hsl(228, 4%, 27%)
HSV	hsv(228, 7%, 28%)
CMYK	cmyk(7%, 5.6%, 0%, 72.2%)
CIE-LAB	lab(28.45, 0.50, -2.56)
CIE-LCH	lch(28.45, 2.61, 281.11°)
OKLab	oklab(38.34% 0.0006 -0.0068)
OKLCH	oklch(38.34% 0.007 274.8)
XYZ	xyz(5.3910, 5.6275, 6.7622)
Luminance	0.0563 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424347 #474642

analogous

#424647 #424347 #444247

triadic

#424347 #474243 #434742

tetradic

#424347 #474246 #474642 #424744

square

#424347 #474246 #474642 #424744

split-complementary

#424347 #474442 #464742

monochromatic

#0F0F10 #252527 #424347 #5F6167 #7D7F86

Accessibility & contrast

On white

9.88

#424347 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#424347 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424347

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424347	#FFFFFF	#000000	##FFFFFF
##424347	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424347

Deuteranopia (green-blind)

#424347

Tritanopia (blue-blind)

#414444

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #424347;
/* rgb */ color: rgb(66, 67, 71);
/* oklch */ color: oklch(38.3% 0.007 274.8);

Tailwind

colors: {
  custom: {
    50: '#76777a',
    500: '#424347',
    950: '#000000',
  },
}

SCSS

$custom: #424347;
$custom-light: #76777a;
$custom-dark: #000000;

JSON

{
  "hex": "#424347",
  "rgb": {
    "r": 66,
    "g": 67,
    "b": 71
  },
  "hsl": {
    "h": 228,
    "s": 3.65,
    "l": 26.863
  },
  "oklch": {
    "l": 0.38339,
    "c": 0.00687,
    "h": 274.8
  },
  "luminance": 0.05627
}

Semantic roles & 50–950 ramp

primary

#424347

secondary

#75746F

accent

#A37BAD

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #424347

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

Preview Lab → · Contrast checker → · Palette generator →