#A66EB5
Closest named color: Soft Purple (#A66FB5). oklch(62.3% 0.121 319), rgb(166, 110, 181).
Aa
Black text reads best on this color (5.51:1).
About this color
#A66EB5 is a medium-light, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.121 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.002 away. Black text reads best on it, at 5.51:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #A66EB5 |
| RGB | rgb(166, 110, 181) |
| HSL | hsl(287, 32%, 57%) |
| OKLCH | oklch(62.3% 0.121 319) |
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 #A66EB5 | 3.80:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #A66EB5 | 5.51:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #A66EB5 text on white | 3.80:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #A66EB5 text on black | 5.51:1 | AA | Lc -36.3 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F1
oklch(93.5% 0.018 320.1)
-
Step 200
200
#E3D3E7
oklch(88.6% 0.032 319.5)
-
Step 300
300
#D2B5D9
oklch(80.9% 0.059 319.7)
-
Step 400
400
#BA8EC6
oklch(70.7% 0.093 318.9)
-
Step 500
500 (this color)
#A66EB5
oklch(62.3% 0.121 319)
-
Step 600
600
#9357A3
oklch(55.5% 0.131 318.9)
-
Step 700
700
#7E478C
oklch(49.1% 0.122 319.2)
-
Step 800
800
#663B72
oklch(42.7% 0.101 318.6)
-
Step 900
900
#53335C
oklch(37.7% 0.078 318.6)
-
Step 950
950
#311E36
oklch(27% 0.05 319.1)
#A66EB5 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) | #647FB8 | 0.104 |
| Deuteranopia (no green cones) | #7285B3 | 0.095 |
| Tritanopia (no blue cones) | #A77789 | 0.078 |
| Achromatopsia (no color) | #838383 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66EB5
#A66EB5
oklch(62.3% 0.121 319)
- #5F984F
#5F984F
oklch(62.2% 0.12 139.1)
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 #A66EB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.002
- Deep Lilac #966EBD ΔE 0.030
- Dark Lilac #9C6DA5 ΔE 0.030
- Wisteria #A87DC2 ΔE 0.038
- Amethyst #9B5FC0 ΔE 0.049
- Faded Purple #916E99 ΔE 0.057
- Heather #A484AC ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.063
Use #A66EB5 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.