#A66EC0
Closest named color: Soft Purple (#A66FB5). oklch(62.8% 0.133 314.4), rgb(166, 110, 192).
Aa
Black text reads best on this color (5.61:1).
About this color
#A66EC0 is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.133 and its hue 314°. 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 5.61:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.61:1 |
| White text | 3.74:1 |
Values
| HEX | #A66EC0 |
| RGB | rgb(166, 110, 192) |
| HSL | hsl(281, 39%, 59%) |
| OKLCH | oklch(62.8% 0.133 314.4) |
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 #A66EC0 | 3.74:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #A66EC0 | 5.61:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #A66EC0 text on white | 3.74:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #A66EC0 text on black | 5.61:1 | AA | Lc -36.9 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E2D2EA
oklch(88.4% 0.037 314.6)
-
Step 300
300
#D0B5DE
oklch(80.9% 0.064 314.1)
-
Step 400
400
#B98DCE
oklch(70.8% 0.104 314.5)
-
Step 500
500 (this color)
#A66EC0
oklch(62.8% 0.133 314.4)
-
Step 600
600
#9255AD
oklch(55.6% 0.145 314.6)
-
Step 700
700
#7C4595
oklch(49.1% 0.135 314.2)
-
Step 800
800
#653979
oklch(42.7% 0.112 314.3)
-
Step 900
900
#523261
oklch(37.7% 0.086 314.2)
-
Step 950
950
#301E39
oklch(27.1% 0.054 313.8)
#A66EC0 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) | #5F81C3 | 0.110 |
| Deuteranopia (no green cones) | #6D86BE | 0.101 |
| Tritanopia (no blue cones) | #A47A8E | 0.091 |
| Achromatopsia (no color) | #848484 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66EC0
#A66EC0
oklch(62.8% 0.133 314.4)
- #659A41
#659A41
oklch(62.9% 0.134 134.4)
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 #A66EC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.018
- Deep Lilac #966EBD ΔE 0.027
- Wisteria #A87DC2 ΔE 0.037
- Amethyst #9B5FC0 ΔE 0.043
- Dark Lilac #9C6DA5 ΔE 0.045
- Medium Purple #9370DB ΔE 0.051
- Deep Lavender #8D5EB7 ΔE 0.061
- Faded Purple #916E99 ΔE 0.071
Use #A66EC0 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.