#AA66D2
Closest named color: Amethyst (#9B5FC0). oklch(62.9% 0.169 311.5), rgb(170, 102, 210).
Aa
Black text reads best on this color (5.54:1).
About this color
#AA66D2 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.169 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.040 away. Black text reads best on it, at 5.54:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.54:1 |
| White text | 3.79:1 |
Values
| HEX | #AA66D2 |
| RGB | rgb(170, 102, 210) |
| HSL | hsl(278, 55%, 61%) |
| OKLCH | oklch(62.9% 0.169 311.5) |
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 #AA66D2 | 3.79:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #AA66D2 | 5.54:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #AA66D2 text on white | 3.79:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #AA66D2 text on black | 5.54:1 | AA | Lc -36.6 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1F0
oklch(88.5% 0.046 311.2)
-
Step 300
300
#D2B2E8
oklch(80.9% 0.082 311.3)
-
Step 400
400
#BC87DC
oklch(70.7% 0.132 312)
-
Step 500
500 (this color)
#AA66D2
oklch(62.9% 0.169 311.5)
-
Step 600
600
#964BC0
oklch(55.7% 0.183 311.4)
-
Step 700
700
#803BA5
oklch(49.1% 0.17 311.7)
-
Step 800
800
#683286
oklch(42.8% 0.141 311.5)
-
Step 900
900
#542D6B
oklch(37.7% 0.109 311.3)
-
Step 950
950
#311B3F
oklch(27% 0.069 310.8)
#AA66D2 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) | #4A80D6 | 0.141 |
| Deuteranopia (no green cones) | #5F84CF | 0.126 |
| Tritanopia (no blue cones) | #A67893 | 0.116 |
| Achromatopsia (no color) | #838383 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA66D2
#AA66D2
oklch(62.9% 0.169 311.5)
- #629C10
#629C10
oklch(62.9% 0.168 131.4)
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 #AA66D2, closest first.
No curated palette has a color within ΔE 0.04 of #AA66D2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.040
- Medium Orchid #BA55D3 ΔE 0.042
- Medium Purple #9370DB ΔE 0.044
- Deep Lilac #966EBD ΔE 0.051
- Soft Purple #A66FB5 ΔE 0.053
- Light Urple #B36FF6 ΔE 0.057
- Lighter Purple #A55AF4 ΔE 0.061
- Wisteria #A87DC2 ΔE 0.065
Use #AA66D2 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.