#AC66DA
Closest named color: Medium Orchid (#BA55D3). oklch(63.6% 0.178 310.1), rgb(172, 102, 218).
Aa
Black text reads best on this color (5.66:1).
About this color
#AC66DA is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.178 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.040 away. Black text reads best on it, at 5.66:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #AC66DA |
| RGB | rgb(172, 102, 218) |
| HSL | hsl(276, 61%, 63%) |
| OKLCH | oklch(63.6% 0.178 310.1) |
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 #AC66DA | 3.70:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #AC66DA | 5.66:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #AC66DA text on white | 3.70:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #AC66DA text on black | 5.66:1 | AA | Lc -37.4 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E3D1F2
oklch(88.5% 0.049 309.7)
-
Step 300
300
#D2B1EB
oklch(80.8% 0.087 310.2)
-
Step 400
400
#BB86E1
oklch(70.6% 0.14 310)
-
Step 500
500 (this color)
#AC66DA
oklch(63.6% 0.178 310.1)
-
Step 600
600
#9648C6
oklch(55.7% 0.194 310.1)
-
Step 700
700
#8038AB
oklch(49.2% 0.18 310.1)
-
Step 800
800
#682F8A
oklch(42.7% 0.15 310.4)
-
Step 900
900
#542B6F
oklch(37.6% 0.117 309.7)
-
Step 950
950
#311A41
oklch(26.9% 0.074 309.5)
#AC66DA 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) | #4581DE | 0.148 |
| Deuteranopia (no green cones) | #5C86D7 | 0.133 |
| Tritanopia (no blue cones) | #A67A96 | 0.126 |
| Achromatopsia (no color) | #858585 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC66DA
#AC66DA
oklch(63.6% 0.178 310.1)
- #679E00
#679E00
oklch(63.6% 0.171 130)
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 #AC66DA, closest first.
No curated palette has a color within ΔE 0.04 of #AC66DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.040
- Medium Purple #9370DB ΔE 0.045
- Light Urple #B36FF6 ΔE 0.045
- Amethyst #9B5FC0 ΔE 0.051
- Lighter Purple #A55AF4 ΔE 0.051
- Deep Lilac #966EBD ΔE 0.062
- Light Purple #BF77F6 ΔE 0.063
- Soft Purple #A66FB5 ΔE 0.065
Use #AC66DA 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.