#A66BB3
Closest named color: Soft Purple (#A66FB5). oklch(61.7% 0.124 320.2), rgb(166, 107, 179).
Aa
Black text reads best on this color (5.37:1).
About this color
#A66BB3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.124 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.010 away. Black text reads best on it, at 5.37:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #A66BB3 |
| RGB | rgb(166, 107, 179) |
| HSL | hsl(289, 32%, 56%) |
| OKLCH | oklch(61.7% 0.124 320.2) |
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 #A66BB3 | 3.90:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #A66BB3 | 5.37:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #A66BB3 text on white | 3.90:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #A66BB3 text on black | 5.37:1 | AA | Lc -35.4 | 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
#E3D2E7
oklch(88.4% 0.034 319.8)
-
Step 300
300
#D3B4D9
oklch(80.8% 0.061 320.8)
-
Step 400
400
#BC8DC6
oklch(70.8% 0.096 320.4)
-
Step 500
500 (this color)
#A66BB3
oklch(61.7% 0.124 320.2)
-
Step 600
600
#9556A3
oklch(55.5% 0.134 320.1)
-
Step 700
700
#7F468C
oklch(49.1% 0.125 320)
-
Step 800
800
#683A72
oklch(42.8% 0.104 320.3)
-
Step 900
900
#54325C
oklch(37.6% 0.081 319.8)
-
Step 950
950
#311E36
oklch(27% 0.05 319.1)
#A66BB3 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) | #617DB6 | 0.109 |
| Deuteranopia (no green cones) | #7183B1 | 0.098 |
| Tritanopia (no blue cones) | #A77487 | 0.078 |
| Achromatopsia (no color) | #818181 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66BB3
#A66BB3
oklch(61.7% 0.124 320.2)
- #5A974D
#5A974D
oklch(61.7% 0.124 140.1)
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 #A66BB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.010
- Dark Lilac #9C6DA5 ΔE 0.029
- Deep Lilac #966EBD ΔE 0.030
- Amethyst #9B5FC0 ΔE 0.045
- Wisteria #A87DC2 ΔE 0.045
- Faded Purple #916E99 ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.058
- Medium Purple #9370DB ΔE 0.067
Use #A66BB3 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.