#A66EE2
Closest named color: Medium Purple (#9370DB). oklch(64.6% 0.173 304.3), rgb(166, 110, 226).
Aa
Black text reads best on this color (5.94:1).
About this color
#A66EE2 is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.173 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.033 away. Black text reads best on it, at 5.94:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.94:1 |
| White text | 3.52:1 |
Values
| HEX | #A66EE2 |
| RGB | rgb(166, 110, 226) |
| HSL | hsl(269, 67%, 66%) |
| OKLCH | oklch(64.6% 0.173 304.3) |
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 #A66EE2 | 3.52:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #A66EE2 | 5.94:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #A66EE2 text on white | 3.52:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #A66EE2 text on black | 5.94:1 | AA | Lc -39.1 | 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
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#E0D2F3
oklch(88.5% 0.047 304.6)
-
Step 300
300
#CDB3EE
oklch(80.9% 0.086 304.6)
-
Step 400
400
#B38AE5
oklch(70.7% 0.135 303.9)
-
Step 500
500 (this color)
#A66EE2
oklch(64.6% 0.173 304.3)
-
Step 600
600
#8D4DCA
oklch(55.6% 0.189 304.5)
-
Step 700
700
#783DAF
oklch(49.1% 0.176 304.5)
-
Step 800
800
#61348E
oklch(42.8% 0.145 303.9)
-
Step 900
900
#4F2E71
oklch(37.6% 0.113 304.2)
-
Step 950
950
#2E1C42
oklch(27% 0.071 303.9)
#A66EE2 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) | #4987E6 | 0.130 |
| Deuteranopia (no green cones) | #5988DF | 0.119 |
| Tritanopia (no blue cones) | #9C839E | 0.128 |
| Achromatopsia (no color) | #888888 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66EE2
#A66EE2
oklch(64.6% 0.173 304.3)
- #799D00
#799D00
oklch(64.5% 0.161 124.3)
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 #A66EE2, closest first.
No curated palette has a color within ΔE 0.04 of #A66EE2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.033
- Light Urple #B36FF6 ΔE 0.037
- Lighter Purple #A55AF4 ΔE 0.053
- Light Purple #BF77F6 ΔE 0.055
- Easter Purple #C071FE ΔE 0.060
- Medium Orchid #BA55D3 ΔE 0.060
- Amethyst #9B5FC0 ΔE 0.061
- Deep Lilac #966EBD ΔE 0.062
Use #A66EE2 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.