#646E6E#646E6E

#646E6E is a mid, near-neutral grey. Relative luminance 0.150; OKLCH L 53.0% C 0.012 H 196.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#646E6E
RGB	rgb(100, 110, 110)
HSL	hsl(180, 5%, 41%)
HSV	hsv(180, 9%, 43%)
CMYK	cmyk(9.1%, 0%, 0%, 56.9%)
CIE-LAB	lab(45.62, -3.78, -1.30)
CIE-LCH	lch(45.62, 3.99, 198.94°)
OKLab	oklab(52.97% -0.0116 -0.0035)
OKLCH	oklch(52.97% 0.012 196.8)
XYZ	xyz(13.6453, 14.9868, 16.9227)
Luminance	0.1499 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E6E #6E6464

analogous

#646E69 #646E6E #64696E

triadic

#646E6E #6E646E #6E6E64

tetradic

#646E6E #69646E #6E6464 #696E64

square

#646E6E #69646E #6E6464 #696E64

split-complementary

#646E6E #6E6469 #6E6964

monochromatic

#2A2E2E #474E4E #646E6E #828D8D #A2AAAA

Accessibility & contrast

On white

5.25

#646E6E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#646E6E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E6E

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E6E	#FFFFFF	#000000	##FFFFFF
##646E6E	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6D6E

Deuteranopia (green-blind)

#6A6B6E

Tritanopia (blue-blind)

#616F6E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #646e6e;
/* rgb */ color: rgb(100, 110, 110);
/* oklch */ color: oklch(53.0% 0.012 196.8);

Tailwind

colors: {
  custom: {
    50: '#909797',
    500: '#646e6e',
    950: '#000000',
  },
}

SCSS

$custom: #646e6e;
$custom-light: #909797;
$custom-dark: #000000;

JSON

{
  "hex": "#646e6e",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 110
  },
  "hsl": {
    "h": 180,
    "s": 4.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.52974,
    "c": 0.01217,
    "h": 196.8
  },
  "luminance": 0.14987
}

Semantic roles & 50–950 ramp

primary

#646E6E

secondary

#9A9393

accent

#7A7AAE

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0D0D

muted

#7D7E7E

Preview Lab

Preview with #646E6E

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

Preview Lab → · Contrast checker → · Palette generator →