#A665BB
Closest named color: Amethyst (#9B5FC0). oklch(61.1% 0.143 317.5), rgb(166, 101, 187).
Aa
Black text reads best on this color (5.20:1).
About this color
#A665BB is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.143 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.028 away. Black text reads best on it, at 5.20:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.20:1 |
| White text | 4.03:1 |
Values
| HEX | #A665BB |
| RGB | rgb(166, 101, 187) |
| HSL | hsl(285, 39%, 56%) |
| OKLCH | oklch(61.1% 0.143 317.5) |
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 #A665BB | 4.03:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #A665BB | 5.20:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #A665BB text on white | 4.03:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #A665BB text on black | 5.20:1 | AA | Lc -34.3 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E4D2EA
oklch(88.6% 0.038 317.7)
-
Step 300
300
#D4B3DF
oklch(80.9% 0.071 317.6)
-
Step 400
400
#BD8ACE
oklch(70.7% 0.111 317.5)
-
Step 500
500 (this color)
#A665BB
oklch(61.1% 0.143 317.5)
-
Step 600
600
#9751AE
oklch(55.6% 0.155 317.2)
-
Step 700
700
#814195
oklch(49.1% 0.144 317.5)
-
Step 800
800
#693679
oklch(42.7% 0.12 317.6)
-
Step 900
900
#553062
oklch(37.7% 0.093 316.8)
-
Step 950
950
#321C39
oklch(26.9% 0.06 317.7)
#A665BB 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) | #567ABE | 0.125 |
| Deuteranopia (no green cones) | #6881B9 | 0.113 |
| Tritanopia (no blue cones) | #A67187 | 0.094 |
| Achromatopsia (no color) | #7E7E7E | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A665BB
#A665BB
oklch(61.1% 0.143 317.5)
- #56973A
#56973A
oklch(61.2% 0.144 137.4)
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 #A665BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.028
- Soft Purple #A66FB5 ΔE 0.028
- Deep Lilac #966EBD ΔE 0.032
- Dark Lilac #9C6DA5 ΔE 0.046
- Deep Lavender #8D5EB7 ΔE 0.049
- Wisteria #A87DC2 ΔE 0.058
- Medium Purple #9370DB ΔE 0.059
- Medium Orchid #BA55D3 ΔE 0.061
Use #A665BB 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.