#A66FA5
Closest named color: Dark Lilac (#9C6DA5). oklch(61.8% 0.101 327.3), rgb(166, 111, 165).
Aa
Black text reads best on this color (5.43:1).
About this color
#A66FA5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.101 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lilac (#9C6DA5), ΔE 0.019 away. Black text reads best on it, at 5.43:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Dark Lilac (#9C6DA5) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #A66FA5 |
| RGB | rgb(166, 111, 165) |
| HSL | hsl(301, 24%, 54%) |
| OKLCH | oklch(61.8% 0.101 327.3) |
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 #A66FA5 | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #A66FA5 | 5.43:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #A66FA5 text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #A66FA5 text on black | 5.43:1 | AA | Lc -35.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E4D3E3
oklch(88.5% 0.028 327.6)
-
Step 300
300
#D3B6D1
oklch(80.9% 0.049 328.2)
-
Step 400
400
#BC8FBA
oklch(70.7% 0.08 327.8)
-
Step 500
500 (this color)
#A66FA5
oklch(61.8% 0.101 327.3)
-
Step 600
600
#955B94
oklch(55.6% 0.109 327.5)
-
Step 700
700
#7F4A7F
oklch(49.1% 0.103 327)
-
Step 800
800
#673D67
oklch(42.6% 0.085 326.9)
-
Step 900
900
#543454
oklch(37.6% 0.067 326.8)
-
Step 950
950
#311F31
oklch(27% 0.041 326.6)
#A66FA5 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) | #6B7DA7 | 0.094 |
| Deuteranopia (no green cones) | #7984A3 | 0.086 |
| Tritanopia (no blue cones) | #A97483 | 0.058 |
| Achromatopsia (no color) | #828282 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66FA5
#A66FA5
oklch(61.8% 0.101 327.3)
- #599661
#599661
oklch(61.7% 0.102 147.3)
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 #A66FA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lilac #9C6DA5 ΔE 0.019
- Soft Purple #A66FB5 ΔE 0.025
- Faded Purple #916E99 ΔE 0.041
- Deep Lilac #966EBD ΔE 0.047
- Wisteria #A87DC2 ΔE 0.049
- Heather #A484AC ΔE 0.052
- Mauve #AE7181 ΔE 0.059
- Purpley Grey #947E94 ΔE 0.060
Use #A66FA5 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.