#A66EDE
Closest named color: Medium Purple (#9370DB). oklch(64.4% 0.169 305.2), rgb(166, 110, 222).
Aa
Black text reads best on this color (5.90:1).
About this color
#A66EDE is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.169 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.032 away. Black text reads best on it, at 5.90:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #A66EDE |
| RGB | rgb(166, 110, 222) |
| HSL | hsl(270, 63%, 65%) |
| OKLCH | oklch(64.4% 0.169 305.2) |
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 #A66EDE | 3.55:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #A66EDE | 5.90:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #A66EDE text on white | 3.55:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #A66EDE text on black | 5.90:1 | AA | Lc -38.8 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#E0D2F2
oklch(88.5% 0.046 305.2)
-
Step 300
300
#CDB4EC
oklch(81% 0.082 305)
-
Step 400
400
#B48AE2
oklch(70.7% 0.132 305.2)
-
Step 500
500 (this color)
#A66EDE
oklch(64.4% 0.169 305.2)
-
Step 600
600
#8D4EC7
oklch(55.5% 0.184 305.2)
-
Step 700
700
#783EAC
oklch(49% 0.171 305.2)
-
Step 800
800
#62348B
oklch(42.7% 0.141 305.6)
-
Step 900
900
#502F6F
oklch(37.8% 0.109 305.6)
-
Step 950
950
#2F1C41
oklch(27% 0.07 306)
#A66EDE 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) | #4C86E2 | 0.128 |
| Deuteranopia (no green cones) | #5C88DB | 0.116 |
| Tritanopia (no blue cones) | #9D829C | 0.124 |
| Achromatopsia (no color) | #888888 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66EDE
#A66EDE
oklch(64.4% 0.169 305.2)
- #769D00
#769D00
oklch(64.3% 0.162 125.3)
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 #A66EDE, closest first.
No curated palette has a color within ΔE 0.04 of #A66EDE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.032
- Light Urple #B36FF6 ΔE 0.041
- Amethyst #9B5FC0 ΔE 0.057
- Lighter Purple #A55AF4 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.057
- Light Purple #BF77F6 ΔE 0.058
- Medium Orchid #BA55D3 ΔE 0.059
- Wisteria #A87DC2 ΔE 0.062
Use #A66EDE 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.