#64686F#64686F

#64686F is a mid, near-neutral grey. Relative luminance 0.138; OKLCH L 51.6% C 0.012 H 261.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#64686F
RGB	rgb(100, 104, 111)
HSL	hsl(218, 5%, 41%)
HSV	hsv(218, 10%, 44%)
CMYK	cmyk(9.9%, 6.3%, 0%, 56.5%)
CIE-LAB	lab(43.88, -0.01, -4.45)
CIE-LCH	lch(43.88, 4.45, 269.86°)
OKLab	oklab(51.62% -0.0017 -0.0119)
OKLCH	oklch(51.62% 0.012 261.8)
XYZ	xyz(13.0745, 13.7575, 17.0025)
Luminance	0.1376 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64686F #6F6B64

analogous

#646E6F #64686F #66646F

triadic

#64686F #6F6468 #686F64

tetradic

#64686F #6F646E #6F6B64 #646F66

square

#64686F #6F646E #6F6B64 #646F66

split-complementary

#64686F #6F6664 #6E6F64

monochromatic

#2A2C2F #474A4F #64686F #82868E #A2A5AB

Accessibility & contrast

On white

5.60

#64686F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#64686F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64686F

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64686F	#FFFFFF	#000000	##FFFFFF
##64686F	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66686F

Deuteranopia (green-blind)

#65676F

Tritanopia (blue-blind)

#62696A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #64686f;
/* rgb */ color: rgb(100, 104, 111);
/* oklch */ color: oklch(51.6% 0.012 261.8);

Tailwind

colors: {
  custom: {
    50: '#909398',
    500: '#64686f',
    950: '#000000',
  },
}

SCSS

$custom: #64686f;
$custom-light: #909398;
$custom-dark: #000000;

JSON

{
  "hex": "#64686f",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 111
  },
  "hsl": {
    "h": 218.182,
    "s": 5.213,
    "l": 41.373
  },
  "oklch": {
    "l": 0.5162,
    "c": 0.01207,
    "h": 261.8
  },
  "luminance": 0.13758
}

Semantic roles & 50–950 ramp

primary

#64686F

secondary

#9B9894

accent

#9B79AE

background

#F8F9F9

surface

#F0F1F2

border

#CBCBCC

text

#0C0D0D

muted

#7D7E7E

Preview Lab

Preview with #64686F

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

Preview Lab → · Contrast checker → · Palette generator →