#6C666F
Closest named color: Dim Gray (#696969). oklch(51.9% 0.016 314.7), rgb(108, 102, 111).
Aa
White text reads best on this color (5.57:1).
About this color
#6C666F is a medium-dark close to neutral grey. In OKLCH its lightness is 52%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.016 away. White text reads best on it, at 5.57:1.
| Hue family | Neutrals |
| Lightness | medium-dark (52%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #6C666F |
| RGB | rgb(108, 102, 111) |
| HSL | hsl(280, 4%, 42%) |
| OKLCH | oklch(51.9% 0.016 314.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6C666F | 5.57:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #6C666F | 3.76:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #6C666F text on white | 5.57:1 | AA | Lc 77.9 | Fine for body text |
| #6C666F text on black | 3.76:1 | AA large text | Lc -23.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EAE9EB
oklch(93.5% 0.003 308.4)
-
Step 200
200
#DAD8DB
oklch(88.5% 0.005 314.8)
-
Step 300
300
#C2BFC4
oklch(80.9% 0.008 312.3)
-
Step 400
400
#A39EA6
oklch(70.6% 0.013 313.2)
-
Step 500
500
#8D8790
oklch(63.1% 0.015 314.7)
-
Step 600
600
#77707A
oklch(55.5% 0.017 315.9)
-
Step 700
700 (this color)
#6C666F
oklch(51.9% 0.016 314.7)
-
Step 800
800
#524D54
oklch(42.8% 0.013 316.4)
-
Step 900
900
#444045
oklch(37.7% 0.01 319.5)
-
Step 950
950
#282529
oklch(26.9% 0.008 317.7)
#6C666F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #65686F | 0.012 |
| Deuteranopia (no green cones) | #66686F | 0.010 |
| Tritanopia (no blue cones) | #6C6769 | 0.011 |
| Achromatopsia (no color) | #686868 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C666F
#6C666F
oklch(51.9% 0.016 314.7)
- #656B62
#656B62
oklch(52% 0.016 135)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C666F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.016
- Slate #516572 ΔE 0.040
- Battleship Gray #6C757D ΔE 0.043
- Dark Taupe #7F684E ΔE 0.058
- Purple Grey #866F85 ΔE 0.059
- Grey Purple #826D8C ΔE 0.060
- Metallic Blue #4F738E ΔE 0.060
- Dusty Purple #825F87 ΔE 0.061
Use #6C666F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.