#A366CA
Closest named color: Amethyst (#9B5FC0). oklch(61.7% 0.157 310.7), rgb(163, 102, 202).
Aa
Black text reads best on this color (5.31:1).
About this color
#A366CA is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.157 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.026 away. Black text reads best on it, at 5.31:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #A366CA |
| RGB | rgb(163, 102, 202) |
| HSL | hsl(277, 49%, 60%) |
| OKLCH | oklch(61.7% 0.157 310.7) |
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 #A366CA | 3.95:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #A366CA | 5.31:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #A366CA text on white | 3.95:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #A366CA text on black | 5.31:1 | AA | Lc -35.0 | 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
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E2D2EF
oklch(88.6% 0.043 310.1)
-
Step 300
300
#D0B3E6
oklch(80.8% 0.077 310.3)
-
Step 400
400
#B98AD9
oklch(70.7% 0.123 310.8)
-
Step 500
500 (this color)
#A366CA
oklch(61.7% 0.157 310.7)
-
Step 600
600
#934FBB
oklch(55.6% 0.171 311.1)
-
Step 700
700
#7D3FA2
oklch(49.1% 0.16 310.7)
-
Step 800
800
#653583
oklch(42.7% 0.131 310.4)
-
Step 900
900
#532F69
oklch(37.7% 0.103 311.1)
-
Step 950
950
#301C3E
oklch(27% 0.066 309.8)
#A366CA 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) | #4D7DCD | 0.128 |
| Deuteranopia (no green cones) | #5F81C7 | 0.115 |
| Tritanopia (no blue cones) | #9E768F | 0.109 |
| Achromatopsia (no color) | #808080 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A366CA
#A366CA
oklch(61.7% 0.157 310.7)
- #63971C
#63971C
oklch(61.7% 0.157 130.8)
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 #A366CA, closest first.
No curated palette has a color within ΔE 0.04 of #A366CA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.026
- Deep Lilac #966EBD ΔE 0.036
- Medium Purple #9370DB ΔE 0.040
- Soft Purple #A66FB5 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.051
- Medium Orchid #BA55D3 ΔE 0.053
- Wisteria #A87DC2 ΔE 0.062
- Dark Lilac #9C6DA5 ΔE 0.064
Use #A366CA 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.