#A66FF9
Closest named color: Light Urple (#B36FF6). oklch(66.2% 0.199 299.3), rgb(166, 111, 249).
Aa
Black text reads best on this color (6.26:1).
About this color
#A66FF9 is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.199 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.023 away. Black text reads best on it, at 6.26:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.199) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #A66FF9 |
| RGB | rgb(166, 111, 249) |
| HSL | hsl(264, 92%, 71%) |
| OKLCH | oklch(66.2% 0.199 299.3) |
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 #A66FF9 | 3.35:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #A66FF9 | 6.26:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #A66FF9 text on white | 3.35:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #A66FF9 text on black | 6.26:1 | AA | Lc -41.1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FB
oklch(93.6% 0.029 298.9)
-
Step 200
200
#DED2F9
oklch(88.6% 0.054 299.3)
-
Step 300
300
#C9B3F7
oklch(80.9% 0.097 299.1)
-
Step 400
400
#AF88F3
oklch(70.7% 0.156 299.2)
-
Step 500
500 (this color)
#A66FF9
oklch(66.2% 0.199 299.3)
-
Step 600
600
#8947DD
oklch(55.7% 0.217 299.4)
-
Step 700
700
#7437C0
oklch(49.2% 0.201 299.1)
-
Step 800
800
#5E2F9B
oklch(42.7% 0.167 299.1)
-
Step 900
900
#4D2C7B
oklch(37.8% 0.129 299.4)
-
Step 950
950
#2D1B48
oklch(27.1% 0.081 299.4)
#A66FF9 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) | #328CFE | 0.143 |
| Deuteranopia (no green cones) | #468BF6 | 0.132 |
| Tritanopia (no blue cones) | #948BAA | 0.153 |
| Achromatopsia (no color) | #8C8C8C | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66FF9
#A66FF9
oklch(66.2% 0.199 299.3)
- #899F00
#899F00
oklch(66.2% 0.156 119.1)
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 #A66FF9, closest first.
No curated palette has a color within ΔE 0.04 of #A66FF9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.023
- Lighter Purple #A55AF4 ΔE 0.043
- Easter Purple #C071FE ΔE 0.045
- Light Purple #BF77F6 ΔE 0.048
- Periwinkle #8E82FE ΔE 0.053
- Medium Purple #9370DB ΔE 0.054
- Bright Lavender #C760FF ΔE 0.061
- Bright Lilac #C95EFB ΔE 0.065
Use #A66FF9 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.