#AC66C4
Closest named color: Soft Purple (#A66FB5). oklch(62.4% 0.154 317), rgb(172, 102, 196).
Aa
Black text reads best on this color (5.45:1).
About this color
#AC66C4 is a medium-light, vivid purple. In OKLCH its lightness is 62%, its chroma 0.154 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.036 away. Black text reads best on it, at 5.45:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #AC66C4 |
| RGB | rgb(172, 102, 196) |
| HSL | hsl(285, 44%, 58%) |
| OKLCH | oklch(62.4% 0.154 317) |
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 #AC66C4 | 3.85:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #AC66C4 | 5.45:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #AC66C4 text on white | 3.85:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #AC66C4 text on black | 5.45:1 | AA | Lc -36.0 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D5B2E1
oklch(80.9% 0.075 317.4)
-
Step 400
400
#BF88D2
oklch(70.7% 0.121 317.2)
-
Step 500
500 (this color)
#AC66C4
oklch(62.4% 0.154 317)
-
Step 600
600
#994DB3
oklch(55.6% 0.168 316.7)
-
Step 700
700
#833D9A
oklch(49.1% 0.157 317)
-
Step 800
800
#6A337D
oklch(42.6% 0.13 316.6)
-
Step 900
900
#562E64
oklch(37.7% 0.1 316.7)
-
Step 950
950
#331B3B
oklch(27% 0.065 317.2)
#AC66C4 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) | #547DC7 | 0.135 |
| Deuteranopia (no green cones) | #6984C1 | 0.121 |
| Tritanopia (no blue cones) | #AB738C | 0.100 |
| Achromatopsia (no color) | #828282 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC66C4
#AC66C4
oklch(62.4% 0.154 317)
- #579C35
#579C35
oklch(62.5% 0.154 136.9)
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 #AC66C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.036
- Amethyst #9B5FC0 ΔE 0.036
- Deep Lilac #966EBD ΔE 0.042
- Medium Orchid #BA55D3 ΔE 0.049
- Medium Purple #9370DB ΔE 0.055
- Wisteria #A87DC2 ΔE 0.056
- Dark Lilac #9C6DA5 ΔE 0.060
- Deep Lavender #8D5EB7 ΔE 0.062
Use #AC66C4 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.