#66516E
Closest named color: Dusty Grape (#545775). oklch(46.7% 0.053 316.6), rgb(102, 81, 110).
Aa
White text reads best on this color (7.07:1).
About this color
#66516E is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.053 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.032 away. White text reads best on it, at 7.07:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #66516E |
| RGB | rgb(102, 81, 110) |
| HSL | hsl(283, 15%, 37%) |
| OKLCH | oklch(46.7% 0.053 316.6) |
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 #66516E | 7.07:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #66516E | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #66516E text on white | 7.07:1 | AAA | Lc 84.5 | Fine for body text |
| #66516E text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DDD6DF
oklch(88.4% 0.014 318.7)
-
Step 300
300
#C7BCCC
oklch(80.9% 0.025 315.5)
-
Step 400
400
#AB99B2
oklch(70.7% 0.041 316.6)
-
Step 500
500
#96809F
oklch(63.1% 0.052 316.1)
-
Step 600
600
#81698A
oklch(55.6% 0.058 316.7)
-
Step 700
700 (this color)
#66516E
oklch(46.7% 0.053 316.6)
-
Step 800
800
#59485F
oklch(42.8% 0.043 317.2)
-
Step 900
900
#493C4E
oklch(37.7% 0.035 316.6)
-
Step 950
950
#2B232E
oklch(27% 0.023 316.8)
#66516E 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) | #4D576F | 0.042 |
| Deuteranopia (no green cones) | #52596D | 0.038 |
| Tritanopia (no blue cones) | #66545B | 0.035 |
| Achromatopsia (no color) | #585858 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66516E
#66516E
oklch(46.7% 0.053 316.6)
- #4C6144
#4C6144
oklch(46.7% 0.052 137.2)
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 #66516E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.032
- Dusk #4E5481 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.058
- Brownish Purple #76424E ΔE 0.060
- Twilight #4E518B ΔE 0.061
- Dark Mauve #874C62 ΔE 0.061
- Slate #516572 ΔE 0.063
- Dull Purple #84597E ΔE 0.063
Use #66516E 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.