#A66BB9
Closest named color: Soft Purple (#A66FB5). oklch(62% 0.13 317.6), rgb(166, 107, 185).
Aa
Black text reads best on this color (5.42:1).
About this color
#A66BB9 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.130 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.013 away. Black text reads best on it, at 5.42:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #A66BB9 |
| RGB | rgb(166, 107, 185) |
| HSL | hsl(285, 36%, 57%) |
| OKLCH | oklch(62% 0.13 317.6) |
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 #A66BB9 | 3.87:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #A66BB9 | 5.42:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #A66BB9 text on white | 3.87:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #A66BB9 text on black | 5.42:1 | AA | Lc -35.7 | 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
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E3D2E9
oklch(88.4% 0.036 317.3)
-
Step 300
300
#D2B4DC
oklch(80.9% 0.064 317.6)
-
Step 400
400
#BB8CCA
oklch(70.6% 0.102 317.8)
-
Step 500
500 (this color)
#A66BB9
oklch(62% 0.13 317.6)
-
Step 600
600
#9555A9
oklch(55.7% 0.142 317.7)
-
Step 700
700
#7F4591
oklch(49.2% 0.132 317.7)
-
Step 800
800
#673975
oklch(42.7% 0.109 317.9)
-
Step 900
900
#54325F
oklch(37.8% 0.085 317.5)
-
Step 950
950
#311D38
oklch(26.9% 0.055 317)
#A66BB9 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) | #5F7EBC | 0.111 |
| Deuteranopia (no green cones) | #6E83B7 | 0.101 |
| Tritanopia (no blue cones) | #A67589 | 0.085 |
| Achromatopsia (no color) | #818181 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66BB9
#A66BB9
oklch(62% 0.13 317.6)
- #5D9846
#5D9846
oklch(62% 0.13 137.7)
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 #A66BB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.013
- Deep Lilac #966EBD ΔE 0.028
- Dark Lilac #9C6DA5 ΔE 0.037
- Amethyst #9B5FC0 ΔE 0.040
- Wisteria #A87DC2 ΔE 0.044
- Deep Lavender #8D5EB7 ΔE 0.057
- Medium Purple #9370DB ΔE 0.059
- Faded Purple #916E99 ΔE 0.063
Use #A66BB9 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.