#64686B#64686B

#64686B is a mid, near-neutral grey. Relative luminance 0.137; OKLCH L 51.5% C 0.007 H 239.9°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#64686B
RGB	rgb(100, 104, 107)
HSL	hsl(206, 3%, 41%)
HSV	hsv(206, 7%, 42%)
CMYK	cmyk(6.5%, 2.8%, 0%, 58%)
CIE-LAB	lab(43.76, -0.90, -2.22)
CIE-LCH	lch(43.76, 2.39, 248.02°)
OKLab	oklab(51.48% -0.0034 -0.0059)
OKLCH	oklch(51.48% 0.007 239.9)
XYZ	xyz(12.8592, 13.6714, 15.8684)
Luminance	0.1367 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64686B #6B6764

analogous

#646B6A #64686B #64646B

triadic

#64686B #6B6468 #686B64

tetradic

#64686B #6A646B #6B6764 #646B64

square

#64686B #6A646B #6B6764 #646B64

split-complementary

#64686B #6B6464 #6B6A64

monochromatic

#292B2C #46494B #64686B #82878A #A2A5A8

Accessibility & contrast

On white

5.62

#64686B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#64686B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64686B

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64686B	#FFFFFF	#000000	##FFFFFF
##64686B	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67686B

Deuteranopia (green-blind)

#66676B

Tritanopia (blue-blind)

#626969

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #64686b;
/* rgb */ color: rgb(100, 104, 107);
/* oklch */ color: oklch(51.5% 0.007 239.9);

Tailwind

colors: {
  custom: {
    50: '#909395',
    500: '#64686b',
    950: '#000000',
  },
}

SCSS

$custom: #64686b;
$custom-light: #909395;
$custom-dark: #000000;

JSON

{
  "hex": "#64686b",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 107
  },
  "hsl": {
    "h": 205.714,
    "s": 3.382,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5148,
    "c": 0.00686,
    "h": 239.9
  },
  "luminance": 0.13671
}

Semantic roles & 50–950 ramp

primary

#64686B

secondary

#989593

accent

#907BAD

background

#F8F9F9

surface

#F0F1F1

border

#CBCBCB

text

#0C0D0D

muted

#7D7E7E

Preview Lab

Preview with #64686B

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

Preview Lab → · Contrast checker → · Palette generator →