#A66CA9
Closest named color: Soft Purple (#A66FB5). oklch(61.4% 0.111 325.1), rgb(166, 108, 169).
Aa
Black text reads best on this color (5.33:1).
About this color
#A66CA9 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.111 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.018 away. Black text reads best on it, at 5.33:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #A66CA9 |
| RGB | rgb(166, 108, 169) |
| HSL | hsl(297, 26%, 54%) |
| OKLCH | oklch(61.4% 0.111 325.1) |
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 #A66CA9 | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #A66CA9 | 5.33:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #A66CA9 text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #A66CA9 text on black | 5.33:1 | AA | Lc -35.1 | 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
#F0E6F0
oklch(93.6% 0.017 325.7)
-
Step 200
200
#E4D3E4
oklch(88.6% 0.029 325.8)
-
Step 300
300
#D3B5D4
oklch(80.9% 0.054 325.1)
-
Step 400
400
#BD8EBF
oklch(70.8% 0.088 325.1)
-
Step 500
500 (this color)
#A66CA9
oklch(61.4% 0.111 325.1)
-
Step 600
600
#96589A
oklch(55.5% 0.121 324.9)
-
Step 700
700
#804883
oklch(49.1% 0.112 325.3)
-
Step 800
800
#683B6B
oklch(42.6% 0.094 324.8)
-
Step 900
900
#553357
oklch(37.7% 0.074 324.9)
-
Step 950
950
#321E33
oklch(27% 0.047 325.1)
#A66CA9 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) | #677CAB | 0.101 |
| Deuteranopia (no green cones) | #7583A7 | 0.093 |
| Tritanopia (no blue cones) | #A97283 | 0.065 |
| Achromatopsia (no color) | #808080 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66CA9
#A66CA9
oklch(61.4% 0.111 325.1)
- #569659
#569659
oklch(61.4% 0.112 145.1)
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 #A66CA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.018
- Dark Lilac #9C6DA5 ΔE 0.018
- Deep Lilac #966EBD ΔE 0.040
- Faded Purple #916E99 ΔE 0.045
- Wisteria #A87DC2 ΔE 0.050
- Amethyst #9B5FC0 ΔE 0.058
- Heather #A484AC ΔE 0.061
- Dark Lavender #856798 ΔE 0.064
Use #A66CA9 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.