#646D65#646D65

#646D65 is a mid, near-neutral grey. Relative luminance 0.146; OKLCH L 52.5% C 0.017 H 148.6°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#646D65
RGB	rgb(100, 109, 101)
HSL	hsl(127, 4%, 41%)
HSV	hsv(127, 8%, 43%)
CMYK	cmyk(8.3%, 0%, 7.3%, 57.3%)
CIE-LAB	lab(45.06, -5.10, 3.30)
CIE-LCH	lch(45.06, 6.08, 147.14°)
OKLab	oklab(52.45% -0.0141 0.0086)
OKLCH	oklch(52.45% 0.017 148.6)
XYZ	xyz(13.0727, 14.5861, 14.4361)
Luminance	0.1459 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D65 #6D646C

analogous

#676D64 #646D65 #646D69

triadic

#646D65 #65646D #6D6564

tetradic

#646D65 #64676D #6D646C #6D6964

square

#646D65 #64676D #6D646C #6D6964

split-complementary

#646D65 #69646D #6D6467

monochromatic

#292D2A #474D47 #646D65 #828C83 #A2AAA3

Accessibility & contrast

On white

5.36

#646D65 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#646D65 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D65

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D65	#FFFFFF	#000000	##FFFFFF
##646D65	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6B65

Deuteranopia (green-blind)

#6C6A65

Tritanopia (blue-blind)

#636D6B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #646d65;
/* rgb */ color: rgb(100, 109, 101);
/* oklch */ color: oklch(52.5% 0.017 148.6);

Tailwind

colors: {
  custom: {
    50: '#909690',
    500: '#646d65',
    950: '#000000',
  },
}

SCSS

$custom: #646d65;
$custom-light: #909690;
$custom-dark: #000000;

JSON

{
  "hex": "#646d65",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 101
  },
  "hsl": {
    "h": 126.667,
    "s": 4.306,
    "l": 40.98
  },
  "oklch": {
    "l": 0.52451,
    "c": 0.01651,
    "h": 148.6
  },
  "luminance": 0.14586
}

Semantic roles & 50–950 ramp

primary

#646D65

secondary

#9A9399

accent

#7AA8AD

background

#F8F9F8

surface

#F0F2F0

border

#CBCCCB

text

#0C0D0C

muted

#7D7E7D

Preview Lab

Preview with #646D65

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

Preview Lab → · Contrast checker → · Palette generator →