#A166EC
Closest named color: Lighter Purple (#A55AF4). oklch(63.5% 0.196 301.3), rgb(161, 102, 236).
Aa
Black text reads best on this color (5.62:1).
About this color
#A166EC is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.196 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lighter Purple (#A55AF4), ΔE 0.028 away. Black text reads best on it, at 5.62:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Lighter Purple (#A55AF4) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #A166EC |
| RGB | rgb(161, 102, 236) |
| HSL | hsl(266, 78%, 66%) |
| OKLCH | oklch(63.5% 0.196 301.3) |
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 #A166EC | 3.73:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #A166EC | 5.62:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #A166EC text on white | 3.73:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #A166EC text on black | 5.62:1 | AA | Lc -37.2 | 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
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#DFD2F7
oklch(88.6% 0.052 301.3)
-
Step 300
300
#CBB2F5
oklch(80.8% 0.096 301.4)
-
Step 400
400
#B287F0
oklch(70.7% 0.154 301.5)
-
Step 500
500 (this color)
#A166EC
oklch(63.5% 0.196 301.3)
-
Step 600
600
#8B47D9
oklch(55.6% 0.213 301)
-
Step 700
700
#7736BC
oklch(49.1% 0.199 301.5)
-
Step 800
800
#602F98
oklch(42.7% 0.163 301.1)
-
Step 900
900
#4E2B79
oklch(37.6% 0.128 301.1)
-
Step 950
950
#2E1A47
oklch(27% 0.082 301.7)
#A166EC 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) | #2983F0 | 0.148 |
| Deuteranopia (no green cones) | #4284E9 | 0.135 |
| Tritanopia (no blue cones) | #92819F | 0.149 |
| Achromatopsia (no color) | #848484 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A166EC
#A166EC
oklch(63.5% 0.196 301.3)
- #7D9800
#7D9800
oklch(63.6% 0.153 121.4)
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 #A166EC, closest first.
No curated palette has a color within ΔE 0.04 of #A166EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lighter Purple #A55AF4 ΔE 0.028
- Light Urple #B36FF6 ΔE 0.040
- Medium Purple #9370DB ΔE 0.041
- Purpley #8756E4 ΔE 0.060
- Medium Slate Blue #7B68EE ΔE 0.062
- Medium Orchid #BA55D3 ΔE 0.063
- Easter Purple #C071FE ΔE 0.065
- Light Purple #BF77F6 ΔE 0.067
Use #A166EC 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.