#646D69#646D69

#646D69 is a mid, near-neutral grey. Relative luminance 0.147; OKLCH L 52.6% C 0.013 H 167.4°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#646D69
RGB	rgb(100, 109, 105)
HSL	hsl(153, 4%, 41%)
HSV	hsv(153, 8%, 43%)
CMYK	cmyk(8.3%, 0%, 3.7%, 57.3%)
CIE-LAB	lab(45.17, -4.27, 1.06)
CIE-LCH	lch(45.17, 4.40, 166.09°)
OKLab	oklab(52.58% -0.0123 0.0027)
OKLCH	oklch(52.58% 0.013 167.4)
XYZ	xyz(13.2734, 14.6664, 15.4935)
Luminance	0.1467 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D69 #6D6468

analogous

#646D64 #646D69 #646C6D

triadic

#646D69 #69646D #6D6964

tetradic

#646D69 #64646D #6D6468 #6C6D64

square

#646D69 #64646D #6D6468 #6C6D64

split-complementary

#646D69 #6D646C #6D6464

monochromatic

#292D2C #474D4A #646D69 #828C88 #A2AAA6

Accessibility & contrast

On white

5.34

#646D69 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#646D69 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D69

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D69	#FFFFFF	#000000	##FFFFFF
##646D69	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6C69

Deuteranopia (green-blind)

#6B6A69

Tritanopia (blue-blind)

#626D6C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #646d69;
/* rgb */ color: rgb(100, 109, 105);
/* oklch */ color: oklch(52.6% 0.013 167.4);

Tailwind

colors: {
  custom: {
    50: '#909693',
    500: '#646d69',
    950: '#000000',
  },
}

SCSS

$custom: #646d69;
$custom-light: #909693;
$custom-dark: #000000;

JSON

{
  "hex": "#646d69",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 105
  },
  "hsl": {
    "h": 153.333,
    "s": 4.306,
    "l": 40.98
  },
  "oklch": {
    "l": 0.52577,
    "c": 0.01259,
    "h": 167.4
  },
  "luminance": 0.14667
}

Semantic roles & 50–950 ramp

primary

#646D69

secondary

#9A9396

accent

#7A91AD

background

#F8F9F9

surface

#F0F2F1

border

#CBCCCB

text

#0C0D0D

muted

#7D7E7E

Preview Lab

Preview with #646D69

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

Preview Lab → · Contrast checker → · Palette generator →