#66565F
Closest named color: Dusty Grape (#545775). oklch(47.2% 0.025 343.2), rgb(102, 86, 95).
Aa
White text reads best on this color (6.85:1).
About this color
#66565F is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.044 away. White text reads best on it, at 6.85:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.06:1 |
| White text | 6.85:1 |
Values
| HEX | #66565F |
| RGB | rgb(102, 86, 95) |
| HSL | hsl(326, 9%, 37%) |
| OKLCH | oklch(47.2% 0.025 343.2) |
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 #66565F | 6.85:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #66565F | 3.06:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #66565F text on white | 6.85:1 | AA | Lc 83.7 | Fine for body text |
| #66565F text on black | 3.06:1 | AA large text | Lc -18.2 | 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
#ECE9EA
oklch(93.7% 0.003 354.7)
-
Step 200
200
#DCD7DA
oklch(88.4% 0.007 340.4)
-
Step 300
300
#C7BEC2
oklch(81% 0.011 348.5)
-
Step 400
400
#AA9CA4
oklch(70.7% 0.02 342.2)
-
Step 500
500
#95848D
oklch(63.1% 0.024 344.6)
-
Step 600
600
#7F6D77
oklch(55.5% 0.027 343.5)
-
Step 700
700 (this color)
#66565F
oklch(47.2% 0.025 343.2)
-
Step 800
800
#584B52
oklch(42.8% 0.021 344.3)
-
Step 900
900
#483E44
oklch(37.6% 0.017 341.2)
-
Step 950
950
#2A2528
oklch(27.1% 0.009 341)
#66565F 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) | #57595F | 0.025 |
| Deuteranopia (no green cones) | #5A5B5F | 0.023 |
| Tritanopia (no blue cones) | #685659 | 0.010 |
| Achromatopsia (no color) | #5A5A5A | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66565F
#66565F
oklch(47.2% 0.025 343.2)
- #4F6057
#4F6057
oklch(47.2% 0.025 162.2)
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 #66565F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.044
- Slate #516572 ΔE 0.051
- Dim Gray #696969 ΔE 0.055
- Brownish Purple #76424E ΔE 0.057
- YInMn Blue #415A77 ΔE 0.063
- Dark Mauve #874C62 ΔE 0.064
- Dusk #4E5481 ΔE 0.068
- Dull Purple #84597E ΔE 0.074
Use #66565F 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.