#A66FD6
Closest named color: Medium Purple (#9370DB). oklch(64.1% 0.157 307.2), rgb(166, 111, 214).
Aa
Black text reads best on this color (5.86:1).
About this color
#A66FD6 is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.157 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.032 away. Black text reads best on it, at 5.86:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.86:1 |
| White text | 3.57:1 |
Values
| HEX | #A66FD6 |
| RGB | rgb(166, 111, 214) |
| HSL | hsl(272, 56%, 64%) |
| OKLCH | oklch(64.1% 0.157 307.2) |
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 #A66FD6 | 3.57:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #A66FD6 | 5.86:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #A66FD6 text on white | 3.57:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #A66FD6 text on black | 5.86:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E0D2F0
oklch(88.4% 0.043 306.5)
-
Step 300
300
#CEB4E8
oklch(80.9% 0.077 307.4)
-
Step 400
400
#B58BDC
oklch(70.7% 0.123 307.3)
-
Step 500
500 (this color)
#A66FD6
oklch(64.1% 0.157 307.2)
-
Step 600
600
#8E51C0
oklch(55.6% 0.172 307)
-
Step 700
700
#7941A5
oklch(49.1% 0.159 307.4)
-
Step 800
800
#623686
oklch(42.6% 0.132 307)
-
Step 900
900
#50306B
oklch(37.7% 0.102 307.2)
-
Step 950
950
#2F1D3F
oklch(27.1% 0.065 307)
#A66FD6 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) | #5485DA | 0.120 |
| Deuteranopia (no green cones) | #6388D3 | 0.110 |
| Tritanopia (no blue cones) | #9F8098 | 0.115 |
| Achromatopsia (no color) | #878787 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66FD6
#A66FD6
oklch(64.1% 0.157 307.2)
- #729D19
#729D19
oklch(64.1% 0.158 127.2)
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 #A66FD6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.032
- Deep Lilac #966EBD ΔE 0.046
- Soft Purple #A66FB5 ΔE 0.050
- Amethyst #9B5FC0 ΔE 0.051
- Wisteria #A87DC2 ΔE 0.051
- Light Urple #B36FF6 ΔE 0.052
- Medium Orchid #BA55D3 ΔE 0.061
- Light Purple #BF77F6 ΔE 0.065
Use #A66FD6 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.