#66546F
Closest named color: Dusty Grape (#545775). oklch(47.4% 0.048 314.3), rgb(102, 84, 111).
Aa
White text reads best on this color (6.85:1).
About this color
#66546F is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.048 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.030 away. White text reads best on it, at 6.85:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.06:1 |
| White text | 6.85:1 |
Values
| HEX | #66546F |
| RGB | rgb(102, 84, 111) |
| HSL | hsl(280, 14%, 38%) |
| OKLCH | oklch(47.4% 0.048 314.3) |
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 #66546F | 6.85:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #66546F | 3.06:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #66546F text on white | 6.85:1 | AA | Lc 83.7 | Fine for body text |
| #66546F text on black | 3.06:1 | AA large text | Lc -18.3 | 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
#EBE8ED
oklch(93.5% 0.007 312.3)
-
Step 200
200
#DCD7DF
oklch(88.5% 0.012 313.2)
-
Step 300
300
#C6BCCB
oklch(80.8% 0.023 314.7)
-
Step 400
400
#A99AB1
oklch(70.7% 0.037 314)
-
Step 500
500
#94819E
oklch(63% 0.048 314)
-
Step 600
600
#7F6B89
oklch(55.7% 0.051 314.4)
-
Step 700
700 (this color)
#66546F
oklch(47.4% 0.048 314.3)
-
Step 800
800
#57495E
oklch(42.8% 0.038 314.4)
-
Step 900
900
#483D4D
oklch(37.8% 0.03 315.3)
-
Step 950
950
#2A242D
oklch(27.1% 0.018 314.5)
#66546F 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) | #505970 | 0.036 |
| Deuteranopia (no green cones) | #545B6E | 0.034 |
| Tritanopia (no blue cones) | #66575D | 0.034 |
| Achromatopsia (no color) | #5A5A5A | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66546F
#66546F
oklch(47.4% 0.048 314.3)
- #516247
#516247
oklch(47.4% 0.047 134.2)
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 #66546F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.030
- Dusk #4E5481 ΔE 0.047
- Slate #516572 ΔE 0.056
- YInMn Blue #415A77 ΔE 0.056
- Dull Purple #84597E ΔE 0.060
- Dark Mauve #874C62 ΔE 0.062
- Muted Purple #805B87 ΔE 0.062
- Twilight #4E518B ΔE 0.062
Use #66546F 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.