#A663AB
Closest named color: Soft Purple (#A66FB5). oklch(60% 0.129 324.5), rgb(166, 99, 171).
Aa
Black text reads best on this color (4.99:1).
About this color
#A663AB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 60%, its chroma 0.129 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.029 away. Black text reads best on it, at 4.99:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #A663AB |
| RGB | rgb(166, 99, 171) |
| HSL | hsl(296, 30%, 53%) |
| OKLCH | oklch(60% 0.129 324.5) |
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 #A663AB | 4.20:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #A663AB | 4.99:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #A663AB text on white | 4.20:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #A663AB text on black | 4.99:1 | AA | Lc -32.9 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F1
oklch(93.6% 0.018 323)
-
Step 200
200
#E5D2E6
oklch(88.5% 0.034 324.3)
-
Step 300
300
#D6B3D8
oklch(80.9% 0.064 324.4)
-
Step 400
400
#C08BC4
oklch(70.7% 0.1 324.2)
-
Step 500
500 (this color)
#A663AB
oklch(60% 0.129 324.5)
-
Step 600
600
#9B53A1
oklch(55.7% 0.14 324.4)
-
Step 700
700
#844389
oklch(49.1% 0.13 324.6)
-
Step 800
800
#6B3770
oklch(42.6% 0.109 324)
-
Step 900
900
#57305A
oklch(37.6% 0.085 324.5)
-
Step 950
950
#331D35
oklch(27% 0.053 323.9)
#A663AB 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) | #5C76AE | 0.119 |
| Deuteranopia (no green cones) | #6E7EA9 | 0.107 |
| Tritanopia (no blue cones) | #A96B7F | 0.077 |
| Achromatopsia (no color) | #7B7B7B | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A663AB
#A663AB
oklch(60% 0.129 324.5)
- #49944C
#49944C
oklch(60% 0.13 144.5)
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 #A663AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.029
- Dark Lilac #9C6DA5 ΔE 0.032
- Deep Lilac #966EBD ΔE 0.041
- Amethyst #9B5FC0 ΔE 0.042
- Deep Lavender #8D5EB7 ΔE 0.052
- Faded Purple #916E99 ΔE 0.055
- Light Plum #9D5783 ΔE 0.064
- Dark Lavender #856798 ΔE 0.065
Use #A663AB 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.