#66517A
Closest named color: Dusty Grape (#545775). oklch(47.3% 0.069 307.4), rgb(102, 81, 122).
Aa
White text reads best on this color (6.94:1).
About this color
#66517A is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.069 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.035 away. White text reads best on it, at 6.94:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #66517A |
| RGB | rgb(102, 81, 122) |
| HSL | hsl(271, 20%, 40%) |
| OKLCH | oklch(47.3% 0.069 307.4) |
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 #66517A | 6.94:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #66517A | 3.02:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #66517A text on white | 6.94:1 | AA | Lc 84.0 | Fine for body text |
| #66517A text on black | 3.02:1 | AA large text | Lc -18.0 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DCD6E3
oklch(88.5% 0.019 306.6)
-
Step 300
300
#C6BBD2
oklch(80.8% 0.034 307.1)
-
Step 400
400
#A998BB
oklch(70.6% 0.054 307)
-
Step 500
500
#957FAA
oklch(63.2% 0.068 307.8)
-
Step 600
600
#7F6895
oklch(55.7% 0.073 307.5)
-
Step 700
700 (this color)
#66517A
oklch(47.3% 0.069 307.4)
-
Step 800
800
#574768
oklch(42.8% 0.057 306.3)
-
Step 900
900
#483B54
oklch(37.6% 0.045 308)
-
Step 950
950
#2A2331
oklch(27% 0.027 307.3)
#66517A 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) | #49597C | 0.048 |
| Deuteranopia (no green cones) | #4E5A79 | 0.044 |
| Tritanopia (no blue cones) | #635760 | 0.052 |
| Achromatopsia (no color) | #5A5A5A | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66517A
#66517A
oklch(47.3% 0.069 307.4)
- #516337
#516337
oklch(47.3% 0.07 127)
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 #66517A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.035
- Dusk #4E5481 ΔE 0.039
- Twilight #4E518B ΔE 0.047
- Muted Purple #805B87 ΔE 0.057
- Dull Purple #84597E ΔE 0.060
- YInMn Blue #415A77 ΔE 0.060
- Dusky Blue #475F94 ΔE 0.064
- Dusty Purple #825F87 ΔE 0.066
Use #66517A 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.