#646868#646868

#646868 is a mid, near-neutral grey. Relative luminance 0.136; OKLCH L 51.4% C 0.005 H 197.0°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#646868
RGB	rgb(100, 104, 104)
HSL	hsl(180, 2%, 40%)
HSV	hsv(180, 4%, 41%)
CMYK	cmyk(3.8%, 0%, 0%, 59.2%)
CIE-LAB	lab(43.67, -1.54, -0.54)
CIE-LCH	lch(43.67, 1.63, 199.20°)
OKLab	oklab(51.38% -0.0047 -0.0014)
OKLCH	oklch(51.38% 0.005 197)
XYZ	xyz(12.7041, 13.6094, 15.0516)
Luminance	0.1361 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646868 #686464

analogous

#646866 #646868 #646668

triadic

#646868 #686468 #686864

tetradic

#646868 #666468 #686464 #666864

square

#646868 #666468 #686464 #666864

split-complementary

#646868 #686466 #686664

monochromatic

#282A2A #464949 #646868 #828787 #A1A5A5

Accessibility & contrast

On white

5.64

#646868 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#646868 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646868

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646868	#FFFFFF	#000000	##FFFFFF
##646868	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#676868

Deuteranopia (green-blind)

#676768

Tritanopia (blue-blind)

#636868

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #646868;
/* rgb */ color: rgb(100, 104, 104);
/* oklch */ color: oklch(51.4% 0.005 197.0);

Tailwind

colors: {
  custom: {
    50: '#909393',
    500: '#646868',
    950: '#000000',
  },
}

SCSS

$custom: #646868;
$custom-light: #909393;
$custom-dark: #000000;

JSON

{
  "hex": "#646868",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 104
  },
  "hsl": {
    "h": 180,
    "s": 1.961,
    "l": 40
  },
  "oklch": {
    "l": 0.51379,
    "c": 0.00497,
    "h": 197
  },
  "luminance": 0.13609
}

Semantic roles & 50–950 ramp

primary

#646868

secondary

#959292

accent

#7D7DAB

background

#F8F9F9

surface

#F0F1F1

border

#CBCBCB

text

#0C0D0D

muted

#7D7E7E

Preview Lab

Preview with #646868

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

Preview Lab → · Contrast checker → · Palette generator →