#66565C
Closest named color: Dusty Grape (#545775). oklch(47.1% 0.023 353.4), rgb(102, 86, 92).
Aa
White text reads best on this color (6.88:1).
About this color
#66565C is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.048 away. White text reads best on it, at 6.88:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.05:1 |
| White text | 6.88:1 |
Values
| HEX | #66565C |
| RGB | rgb(102, 86, 92) |
| HSL | hsl(338, 9%, 37%) |
| OKLCH | oklch(47.1% 0.023 353.4) |
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 #66565C | 6.88:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #66565C | 3.05:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #66565C text on white | 6.88:1 | AA | Lc 83.8 | Fine for body text |
| #66565C text on black | 3.05:1 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#ECE9EA
oklch(93.7% 0.003 354.7)
-
Step 200
200
#DDD7D9
oklch(88.4% 0.007 354.8)
-
Step 300
300
#C7BEC1
oklch(81% 0.011 355)
-
Step 400
400
#AA9CA1
oklch(70.6% 0.018 353.9)
-
Step 500
500
#95848A
oklch(63.1% 0.022 354.4)
-
Step 600
600
#806E74
oklch(55.7% 0.024 355.8)
-
Step 700
700 (this color)
#66565C
oklch(47.1% 0.023 353.4)
-
Step 800
800
#584B50
oklch(42.8% 0.019 352.8)
-
Step 900
900
#483E42
oklch(37.6% 0.015 351.7)
-
Step 950
950
#2A2527
oklch(27.1% 0.008 351.5)
#66565C 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) | #57595C | 0.025 |
| Deuteranopia (no green cones) | #5B5B5C | 0.022 |
| Tritanopia (no blue cones) | #695658 | 0.008 |
| Achromatopsia (no color) | #5A5A5A | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66565C
#66565C
oklch(47.1% 0.023 353.4)
- #4E5F5A
#4E5F5A
oklch(47% 0.022 175.6)
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 #66565C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.048
- Slate #516572 ΔE 0.053
- Dim Gray #696969 ΔE 0.055
- Brownish Purple #76424E ΔE 0.057
- Dark Mauve #874C62 ΔE 0.065
- YInMn Blue #415A77 ΔE 0.066
- Dusk #4E5481 ΔE 0.072
- Dull Purple #84597E ΔE 0.077
Use #66565C 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.