#A366CF
Closest named color: Amethyst (#9B5FC0). oklch(62% 0.163 309.2), rgb(163, 102, 207).
Aa
Black text reads best on this color (5.35:1).
About this color
#A366CF is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.163 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.030 away. Black text reads best on it, at 5.35:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.35:1 |
| White text | 3.91:1 |
Values
| HEX | #A366CF |
| RGB | rgb(163, 102, 207) |
| HSL | hsl(275, 52%, 61%) |
| OKLCH | oklch(62% 0.163 309.2) |
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 #A366CF | 3.91:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #A366CF | 5.35:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #A366CF text on white | 3.91:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #A366CF text on black | 5.35:1 | AA | Lc -35.4 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E2D2F0
oklch(88.6% 0.044 309.3)
-
Step 300
300
#D0B3E8
oklch(80.9% 0.08 309.4)
-
Step 400
400
#B889DC
oklch(70.6% 0.128 309.4)
-
Step 500
500 (this color)
#A366CF
oklch(62% 0.163 309.2)
-
Step 600
600
#924EC0
oklch(55.6% 0.177 309.3)
-
Step 700
700
#7C3EA5
oklch(49% 0.164 309.4)
-
Step 800
800
#653486
oklch(42.7% 0.136 309.4)
-
Step 900
900
#522E6B
oklch(37.6% 0.106 309.4)
-
Step 950
950
#301C3F
oklch(27% 0.067 309)
#A366CF 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) | #4A7ED3 | 0.131 |
| Deuteranopia (no green cones) | #5C82CC | 0.119 |
| Tritanopia (no blue cones) | #9D7891 | 0.116 |
| Achromatopsia (no color) | #818181 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A366CF
#A366CF
oklch(62% 0.163 309.2)
- #669808
#669808
oklch(62% 0.163 129.3)
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 #A366CF, closest first.
No curated palette has a color within ΔE 0.04 of #A366CF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.030
- Medium Purple #9370DB ΔE 0.036
- Deep Lilac #966EBD ΔE 0.041
- Soft Purple #A66FB5 ΔE 0.050
- Medium Orchid #BA55D3 ΔE 0.051
- Deep Lavender #8D5EB7 ΔE 0.055
- Lighter Purple #A55AF4 ΔE 0.064
- Wisteria #A87DC2 ΔE 0.065
Use #A366CF 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.