#AC66E9
Closest named color: Light Urple (#B36FF6). oklch(64.5% 0.195 306.4), rgb(172, 102, 233).
Aa
Black text reads best on this color (5.83:1).
About this color
#AC66E9 is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.195 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.029 away. Black text reads best on it, at 5.83:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 5.83:1 |
| White text | 3.60:1 |
Values
| HEX | #AC66E9 |
| RGB | rgb(172, 102, 233) |
| HSL | hsl(272, 75%, 66%) |
| OKLCH | oklch(64.5% 0.195 306.4) |
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 #AC66E9 | 3.60:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #AC66E9 | 5.83:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #AC66E9 text on white | 3.60:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #AC66E9 text on black | 5.83:1 | AA | Lc -38.5 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE5F9
oklch(93.5% 0.028 306)
-
Step 200
200
#E2D1F5
oklch(88.6% 0.052 306.6)
-
Step 300
300
#D0B1F2
oklch(80.9% 0.096 306.1)
-
Step 400
400
#B985EB
oklch(70.8% 0.153 306.4)
-
Step 500
500 (this color)
#AC66E9
oklch(64.5% 0.195 306.4)
-
Step 600
600
#9343D2
oklch(55.5% 0.212 306.3)
-
Step 700
700
#7E33B6
oklch(49.1% 0.197 306.6)
-
Step 800
800
#662C93
oklch(42.7% 0.163 306.5)
-
Step 900
900
#532A75
oklch(37.8% 0.126 306.5)
-
Step 950
950
#301945
oklch(26.9% 0.081 305.8)
#AC66E9 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) | #3584ED | 0.158 |
| Deuteranopia (no green cones) | #5087E6 | 0.142 |
| Tritanopia (no blue cones) | #A27F9E | 0.141 |
| Achromatopsia (no color) | #878787 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC66E9
#AC66E9
oklch(64.5% 0.195 306.4)
- #749E00
#749E00
oklch(64.4% 0.165 126.2)
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 #AC66E9, closest first.
No curated palette has a color within ΔE 0.04 of #AC66E9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.029
- Lighter Purple #A55AF4 ΔE 0.034
- Medium Orchid #BA55D3 ΔE 0.049
- Medium Purple #9370DB ΔE 0.051
- Easter Purple #C071FE ΔE 0.051
- Light Purple #BF77F6 ΔE 0.053
- Bright Lavender #C760FF ΔE 0.057
- Bright Lilac #C95EFB ΔE 0.058
Use #AC66E9 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.