#A66FEE
Closest named color: Light Urple (#B36FF6). oklch(65.5% 0.186 301.4), rgb(166, 111, 238).
Aa
Black text reads best on this color (6.12:1).
About this color
#A66FEE is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.186 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.025 away. Black text reads best on it, at 6.12:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.12:1 |
| White text | 3.42:1 |
Values
| HEX | #A66FEE |
| RGB | rgb(166, 111, 238) |
| HSL | hsl(266, 79%, 68%) |
| OKLCH | oklch(65.5% 0.186 301.4) |
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 #A66FEE | 3.42:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #A66FEE | 6.12:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #A66FEE text on white | 3.42:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #A66FEE text on black | 6.12:1 | AA | Lc -40.2 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F6
oklch(88.5% 0.051 301.8)
-
Step 300
300
#CBB3F2
oklch(80.9% 0.091 301.8)
-
Step 400
400
#B189EC
oklch(70.7% 0.145 301.4)
-
Step 500
500 (this color)
#A66FEE
oklch(65.5% 0.186 301.4)
-
Step 600
600
#8A4AD4
oklch(55.5% 0.203 301.3)
-
Step 700
700
#763AB7
oklch(49.1% 0.188 301.8)
-
Step 800
800
#603194
oklch(42.7% 0.156 301.9)
-
Step 900
900
#4E2D76
oklch(37.7% 0.121 301.7)
-
Step 950
950
#2D1B45
oklch(26.9% 0.077 301.2)
#A66FEE 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) | #3F8AF2 | 0.136 |
| Deuteranopia (no green cones) | #518AEB | 0.124 |
| Tritanopia (no blue cones) | #9888A4 | 0.142 |
| Achromatopsia (no color) | #8B8B8B | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66FEE
#A66FEE
oklch(65.5% 0.186 301.4)
- #829E00
#829E00
oklch(65.4% 0.158 121.4)
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 #A66FEE, closest first.
No curated palette has a color within ΔE 0.04 of #A66FEE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.025
- Medium Purple #9370DB ΔE 0.042
- Lighter Purple #A55AF4 ΔE 0.046
- Light Purple #BF77F6 ΔE 0.048
- Easter Purple #C071FE ΔE 0.050
- Periwinkle #8E82FE ΔE 0.056
- Bright Lavender #C760FF ΔE 0.066
- Lavender Blue #8B88F8 ΔE 0.067
Use #A66FEE 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.