#A660D1
Closest named color: Amethyst (#9B5FC0). oklch(61.5% 0.176 310.9), rgb(166, 96, 209).
Aa
Black text reads best on this color (5.21:1).
About this color
#A660D1 is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.176 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.032 away. Black text reads best on it, at 5.21:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #A660D1 |
| RGB | rgb(166, 96, 209) |
| HSL | hsl(277, 55%, 60%) |
| OKLCH | oklch(61.5% 0.176 310.9) |
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 #A660D1 | 4.02:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #A660D1 | 5.21:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #A660D1 text on white | 4.02:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #A660D1 text on black | 5.21:1 | AA | Lc -34.5 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1F1
oklch(88.5% 0.047 310.5)
-
Step 300
300
#D2B1EA
oklch(80.8% 0.086 310.7)
-
Step 400
400
#BC86DF
oklch(70.6% 0.138 311.1)
-
Step 500
500 (this color)
#A660D1
oklch(61.5% 0.176 310.9)
-
Step 600
600
#9648C3
oklch(55.5% 0.191 310.9)
-
Step 700
700
#8038A9
oklch(49% 0.178 310.8)
-
Step 800
800
#683089
oklch(42.7% 0.147 310.6)
-
Step 900
900
#552C6D
oklch(37.8% 0.114 311.3)
-
Step 950
950
#321A40
oklch(27% 0.073 311.6)
#A660D1 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) | #407BD5 | 0.148 |
| Deuteranopia (no green cones) | #5780CE | 0.133 |
| Tritanopia (no blue cones) | #A1748F | 0.123 |
| Achromatopsia (no color) | #7F7F7F | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A660D1
#A660D1
oklch(61.5% 0.176 310.9)
- #609800
#609800
oklch(61.7% 0.168 130.8)
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 #A660D1, closest first.
No curated palette has a color within ΔE 0.04 of #A660D1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.032
- Medium Orchid #BA55D3 ΔE 0.040
- Medium Purple #9370DB ΔE 0.046
- Deep Lilac #966EBD ΔE 0.054
- Lighter Purple #A55AF4 ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.059
- Soft Purple #A66FB5 ΔE 0.061
- Light Urple #B36FF6 ΔE 0.065
Use #A660D1 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.