#A66FCC
Closest named color: Soft Purple (#A66FB5). oklch(63.6% 0.146 310.1), rgb(166, 111, 204).
Aa
Black text reads best on this color (5.76:1).
About this color
#A66FCC is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.146 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.035 away. Black text reads best on it, at 5.76:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #A66FCC |
| RGB | rgb(166, 111, 204) |
| HSL | hsl(275, 48%, 62%) |
| OKLCH | oklch(63.6% 0.146 310.1) |
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 #A66FCC | 3.64:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #A66FCC | 5.76:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #A66FCC text on white | 3.64:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #A66FCC text on black | 5.76:1 | AA | Lc -37.9 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E1D2ED
oklch(88.4% 0.04 310.2)
-
Step 300
300
#CFB4E3
oklch(80.8% 0.071 310.6)
-
Step 400
400
#B68CD6
oklch(70.7% 0.114 309.7)
-
Step 500
500 (this color)
#A66FCC
oklch(63.6% 0.146 310.1)
-
Step 600
600
#9053B7
oklch(55.6% 0.159 310.4)
-
Step 700
700
#7A439E
oklch(49.1% 0.148 309.9)
-
Step 800
800
#633880
oklch(42.7% 0.122 309.8)
-
Step 900
900
#513167
oklch(37.7% 0.095 309.9)
-
Step 950
950
#2F1D3C
oklch(26.9% 0.06 309.7)
#A66FCC 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) | #5A83CF | 0.114 |
| Deuteranopia (no green cones) | #6887CA | 0.104 |
| Tritanopia (no blue cones) | #A17E94 | 0.104 |
| Achromatopsia (no color) | #868686 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66FCC
#A66FCC
oklch(63.6% 0.146 310.1)
- #6D9C30
#6D9C30
oklch(63.7% 0.146 130)
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 #A66FCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.035
- Deep Lilac #966EBD ΔE 0.035
- Medium Purple #9370DB ΔE 0.039
- Wisteria #A87DC2 ΔE 0.042
- Amethyst #9B5FC0 ΔE 0.045
- Dark Lilac #9C6DA5 ΔE 0.062
- Medium Orchid #BA55D3 ΔE 0.064
- Light Urple #B36FF6 ΔE 0.066
Use #A66FCC 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.