#646E6C#646E6C
#646E6C is a mid, near-neutral grey. Relative luminance 0.149; OKLCH L 52.9% C 0.013 H 182.5°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #646E6C |
|---|---|
| RGB | rgb(100, 110, 108) |
| HSL | hsl(168, 5%, 41%) |
| HSV | hsv(168, 9%, 43%) |
| CMYK | cmyk(9.1%, 0%, 1.8%, 56.9%) |
| CIE-LAB | lab(45.56, -4.21, -0.18) |
| CIE-LCH | lch(45.56, 4.22, 182.49°) |
| OKLab | oklab(52.91% -0.0125 -0.0005) |
| OKLCH | oklch(52.91% 0.013 182.5) |
| XYZ | xyz(13.5376, 14.9437, 16.3556) |
| Luminance | 0.1494 (WCAG relative) |
| Temperature | neutral |
| Family | grey |
Closest named colors
Dimgray
#696969
ΔE00 5.64
Gunmetal (survey)
#536267
ΔE00 6.15
Slate Grey
#59656D
ΔE00 6.47
Flint
#6F7A80
ΔE00 6.66
Battleship Grey
#6B7C85
ΔE00 7.91
Medium Grey
#7D7F7C
ΔE00 8.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#646E6C #6E6466
analogous
#646E67 #646E6C #646B6E
triadic
#646E6C #6C646E #6E6C64
tetradic
#646E6C #67646E #6E6466 #6B6E64
square
#646E6C #67646E #6E6466 #6B6E64
split-complementary
#646E6C #6E646B #6E6764
monochromatic
#2A2E2D #474E4D #646E6C #828D8B #A2AAA9
Accessibility & contrast
On white
5.26
#646E6C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#646E6C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #646E6C
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##646E6C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##646E6C | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D6D6C
Deuteranopia (green-blind)
#6B6B6C
Tritanopia (blue-blind)
#626E6D
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #646e6c; /* rgb */ color: rgb(100, 110, 108); /* oklch */ color: oklch(52.9% 0.013 182.5);
Tailwind
colors: {
custom: {
50: '#909796',
500: '#646e6c',
950: '#000000',
},
}SCSS
$custom: #646e6c; $custom-light: #909796; $custom-dark: #000000;
JSON
{
"hex": "#646e6c",
"rgb": {
"r": 100,
"g": 110,
"b": 108
},
"hsl": {
"h": 168,
"s": 4.762,
"l": 41.176
},
"oklch": {
"l": 0.52908,
"c": 0.01254,
"h": 182.5
},
"luminance": 0.14944
}Semantic roles & 50–950 ramp
primary
#646E6C
secondary
#9A9395
accent
#7A84AE
background
#F8F9F9
surface
#F0F2F1
border
#CBCCCB
text
#0C0D0D
muted
#7D7E7E