#A66FEF
Closest named color: Light Urple (#B36FF6). oklch(65.6% 0.187 301.2), rgb(166, 111, 239).
Aa
Black text reads best on this color (6.14:1).
About this color
#A66FEF is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.187 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 0.024 away. Black text reads best on it, at 6.14:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.14:1 |
| White text | 3.41:1 |
Values
| HEX | #A66FEF |
| RGB | rgb(166, 111, 239) |
| HSL | hsl(266, 80%, 69%) |
| OKLCH | oklch(65.6% 0.187 301.2) |
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 #A66FEF | 3.41:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #A66FEF | 6.14:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #A66FEF text on white | 3.41:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #A66FEF text on black | 6.14:1 | AA | Lc -40.3 | 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
#CBB3F3
oklch(80.9% 0.092 301.5)
-
Step 400
400
#B189ED
oklch(70.8% 0.147 301.2)
-
Step 500
500 (this color)
#A66FEF
oklch(65.6% 0.187 301.2)
-
Step 600
600
#8A4AD5
oklch(55.6% 0.204 301.1)
-
Step 700
700
#753AB8
oklch(49% 0.189 301.1)
-
Step 800
800
#5F3195
oklch(42.6% 0.157 301.1)
-
Step 900
900
#4E2D77
oklch(37.8% 0.122 301.3)
-
Step 950
950
#2D1B46
oklch(27% 0.078 300.6)
#A66FEF 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) | #3E8AF3 | 0.137 |
| Deuteranopia (no green cones) | #508AEC | 0.125 |
| Tritanopia (no blue cones) | #9888A5 | 0.142 |
| Achromatopsia (no color) | #8B8B8B | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66FEF
#A66FEF
oklch(65.6% 0.187 301.2)
- #839E00
#839E00
oklch(65.5% 0.157 121.1)
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 #A66FEF, closest first.
No curated palette has a color within ΔE 0.04 of #A66FEF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.024
- Medium Purple #9370DB ΔE 0.043
- Lighter Purple #A55AF4 ΔE 0.045
- Light Purple #BF77F6 ΔE 0.048
- Easter Purple #C071FE ΔE 0.049
- Periwinkle #8E82FE ΔE 0.056
- Bright Lavender #C760FF ΔE 0.066
- Lavender Blue #8B88F8 ΔE 0.067
Use #A66FEF 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.