#A66DA5
Closest named color: Dark Lilac (#9C6DA5). oklch(61.4% 0.105 327.4), rgb(166, 109, 165).
Aa
Black text reads best on this color (5.35:1).
About this color
#A66DA5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.105 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 0.017 away. Black text reads best on it, at 5.35:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Dark Lilac (#9C6DA5) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #A66DA5 |
| RGB | rgb(166, 109, 165) |
| HSL | hsl(301, 24%, 54%) |
| OKLCH | oklch(61.4% 0.105 327.4) |
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 #A66DA5 | 3.92:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #A66DA5 | 5.35:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #A66DA5 text on white | 3.92:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #A66DA5 text on black | 5.35:1 | AA | Lc -35.2 | 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
#F0E7EF
oklch(93.7% 0.014 329.1)
-
Step 200
200
#E4D3E3
oklch(88.5% 0.028 327.6)
-
Step 300
300
#D3B5D2
oklch(80.8% 0.052 327.1)
-
Step 400
400
#BD8FBB
oklch(70.8% 0.082 327.8)
-
Step 500
500 (this color)
#A66DA5
oklch(61.4% 0.105 327.4)
-
Step 600
600
#965996
oklch(55.5% 0.115 327)
-
Step 700
700
#804980
oklch(49.1% 0.107 327.1)
-
Step 800
800
#683C68
oklch(42.6% 0.089 327)
-
Step 900
900
#553454
oklch(37.7% 0.068 327.9)
-
Step 950
950
#321F31
oklch(27.1% 0.042 328.5)
#A66DA5 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) | #697CA7 | 0.098 |
| Deuteranopia (no green cones) | #7783A3 | 0.090 |
| Tritanopia (no blue cones) | #AA7282 | 0.060 |
| Achromatopsia (no color) | #808080 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66DA5
#A66DA5
oklch(61.4% 0.105 327.4)
- #56965F
#56965F
oklch(61.5% 0.106 147.4)
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 #A66DA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lilac #9C6DA5 ΔE 0.017
- Soft Purple #A66FB5 ΔE 0.024
- Faded Purple #916E99 ΔE 0.041
- Deep Lilac #966EBD ΔE 0.045
- Wisteria #A87DC2 ΔE 0.052
- Heather #A484AC ΔE 0.057
- Mauve #AE7181 ΔE 0.061
- Dark Lavender #856798 ΔE 0.063
Use #A66DA5 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.