#AC66E4
Closest named color: Light Urple (#B36FF6). oklch(64.2% 0.19 307.6), rgb(172, 102, 228).
Aa
Black text reads best on this color (5.77:1).
About this color
#AC66E4 is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.190 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.034 away. Black text reads best on it, at 5.77:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.190) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #AC66E4 |
| RGB | rgb(172, 102, 228) |
| HSL | hsl(273, 70%, 65%) |
| OKLCH | oklch(64.2% 0.19 307.6) |
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 #AC66E4 | 3.63:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #AC66E4 | 5.77:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #AC66E4 text on white | 3.63:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #AC66E4 text on black | 5.77:1 | AA | Lc -38.1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E2D1F4
oklch(88.5% 0.051 307.2)
-
Step 300
300
#D1B1EF
oklch(80.9% 0.092 307.9)
-
Step 400
400
#BA85E8
oklch(70.7% 0.149 307.7)
-
Step 500
500 (this color)
#AC66E4
oklch(64.2% 0.19 307.6)
-
Step 600
600
#9445CE
oklch(55.6% 0.206 307.4)
-
Step 700
700
#7E35B2
oklch(49.1% 0.191 307.5)
-
Step 800
800
#672D90
oklch(42.7% 0.159 307.9)
-
Step 900
900
#532A73
oklch(37.6% 0.124 307.4)
-
Step 950
950
#311A43
oklch(27.1% 0.077 308)
#AC66E4 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) | #3B83E8 | 0.155 |
| Deuteranopia (no green cones) | #5487E1 | 0.139 |
| Tritanopia (no blue cones) | #A47D9B | 0.136 |
| Achromatopsia (no color) | #868686 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC66E4
#AC66E4
oklch(64.2% 0.19 307.6)
- #709E00
#709E00
oklch(64.2% 0.167 127.5)
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 #AC66E4, closest first.
No curated palette has a color within ΔE 0.04 of #AC66E4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.034
- Lighter Purple #A55AF4 ΔE 0.039
- Medium Orchid #BA55D3 ΔE 0.045
- Medium Purple #9370DB ΔE 0.048
- Easter Purple #C071FE ΔE 0.056
- Light Purple #BF77F6 ΔE 0.056
- Bright Lilac #C95EFB ΔE 0.061
- Bright Lavender #C760FF ΔE 0.061
Use #AC66E4 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.