#A663E0
Closest named color: Lighter Purple (#A55AF4). oklch(62.9% 0.188 306.5), rgb(166, 99, 224).
Aa
Black text reads best on this color (5.48:1).
About this color
#A663E0 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.188 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lighter Purple (#A55AF4), ΔE 0.037 away. Black text reads best on it, at 5.48:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Lighter Purple (#A55AF4) |
| Black text | 5.48:1 |
| White text | 3.83:1 |
Values
| HEX | #A663E0 |
| RGB | rgb(166, 99, 224) |
| HSL | hsl(272, 67%, 63%) |
| OKLCH | oklch(62.9% 0.188 306.5) |
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 #A663E0 | 3.83:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #A663E0 | 5.48:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #A663E0 text on white | 3.83:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #A663E0 text on black | 5.48:1 | AA | Lc -36.3 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E2D1F4
oklch(88.5% 0.051 307.2)
-
Step 300
300
#D0B1F0
oklch(80.9% 0.093 306.8)
-
Step 400
400
#B886E8
oklch(70.7% 0.147 306.5)
-
Step 500
500 (this color)
#A663E0
oklch(62.9% 0.188 306.5)
-
Step 600
600
#9246CF
oklch(55.6% 0.205 306.3)
-
Step 700
700
#7D36B3
oklch(49.1% 0.19 306.6)
-
Step 800
800
#652E91
oklch(42.6% 0.158 306.3)
-
Step 900
900
#522B73
oklch(37.6% 0.122 306.4)
-
Step 950
950
#301A44
oklch(27% 0.078 306)
#A663E0 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) | #3680E4 | 0.152 |
| Deuteranopia (no green cones) | #4F83DD | 0.136 |
| Tritanopia (no blue cones) | #9D7A98 | 0.135 |
| Achromatopsia (no color) | #828282 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A663E0
#A663E0
oklch(62.9% 0.188 306.5)
- #6F9900
#6F9900
oklch(62.9% 0.161 126.6)
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 #A663E0, closest first.
No curated palette has a color within ΔE 0.04 of #A663E0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lighter Purple #A55AF4 ΔE 0.037
- Medium Purple #9370DB ΔE 0.042
- Medium Orchid #BA55D3 ΔE 0.046
- Light Urple #B36FF6 ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.052
- Purpley #8756E4 ΔE 0.065
- Deep Lilac #966EBD ΔE 0.067
- Easter Purple #C071FE ΔE 0.069
Use #A663E0 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.