#AA63DD
Closest named color: Medium Orchid (#BA55D3). oklch(63.1% 0.186 308.9), rgb(170, 99, 221).
Aa
Black text reads best on this color (5.53:1).
About this color
#AA63DD is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.186 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.039 away. Black text reads best on it, at 5.53:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #AA63DD |
| RGB | rgb(170, 99, 221) |
| HSL | hsl(275, 64%, 63%) |
| OKLCH | oklch(63.1% 0.186 308.9) |
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 #AA63DD | 3.79:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #AA63DD | 5.53:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #AA63DD text on white | 3.79:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #AA63DD text on black | 5.53:1 | AA | Lc -36.6 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E3D1F3
oklch(88.6% 0.05 309.1)
-
Step 300
300
#D2B1EE
oklch(81% 0.091 309)
-
Step 400
400
#BB85E5
oklch(70.7% 0.146 309)
-
Step 500
500 (this color)
#AA63DD
oklch(63.1% 0.186 308.9)
-
Step 600
600
#9545CA
oklch(55.5% 0.202 308.9)
-
Step 700
700
#7F36AF
oklch(49.1% 0.187 308.7)
-
Step 800
800
#682E8E
oklch(42.8% 0.155 309)
-
Step 900
900
#542A71
oklch(37.6% 0.121 309)
-
Step 950
950
#311A42
oklch(27% 0.076 308.7)
#AA63DD 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) | #3B80E1 | 0.155 |
| Deuteranopia (no green cones) | #5584DA | 0.138 |
| Tritanopia (no blue cones) | #A37997 | 0.131 |
| Achromatopsia (no color) | #838383 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA63DD
#AA63DD
oklch(63.1% 0.186 308.9)
- #699B00
#699B00
oklch(63% 0.167 128.9)
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 #AA63DD, closest first.
No curated palette has a color within ΔE 0.04 of #AA63DD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.039
- Lighter Purple #A55AF4 ΔE 0.043
- Light Urple #B36FF6 ΔE 0.046
- Medium Purple #9370DB ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.051
- Deep Lilac #966EBD ΔE 0.066
- Light Purple #BF77F6 ΔE 0.066
- Easter Purple #C071FE ΔE 0.067
Use #AA63DD 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.