#AA78DB
Closest named color: Wisteria (#A87DC2). oklch(66.3% 0.15 306), rgb(170, 120, 219).
Aa
Black text reads best on this color (6.41:1).
About this color
#AA78DB is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.150 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Wisteria (#A87DC2), ΔE 0.043 away. Black text reads best on it, at 6.41:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Wisteria (#A87DC2) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #AA78DB |
| RGB | rgb(170, 120, 219) |
| HSL | hsl(270, 58%, 66%) |
| OKLCH | oklch(66.3% 0.15 306) |
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 #AA78DB | 3.27:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #AA78DB | 6.41:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #AA78DB text on white | 3.27:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #AA78DB text on black | 6.41:1 | AA | Lc -41.9 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F5
oklch(93.5% 0.021 306.8)
-
Step 200
200
#E0D3EF
oklch(88.6% 0.04 306.5)
-
Step 300
300
#CCB5E7
oklch(80.9% 0.073 305.7)
-
Step 400
400
#B38DDB
oklch(70.8% 0.118 306)
-
Step 500
500 (this color)
#AA78DB
oklch(66.3% 0.15 306)
-
Step 600
600
#8B54BD
oklch(55.5% 0.163 306)
-
Step 700
700
#7644A3
oklch(49.1% 0.151 305.9)
-
Step 800
800
#603884
oklch(42.6% 0.126 306.1)
-
Step 900
900
#4F316A
oklch(37.7% 0.099 306.6)
-
Step 950
950
#2E1D3E
oklch(26.9% 0.063 306.4)
#AA78DB 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) | #5F8CDF | 0.109 |
| Deuteranopia (no green cones) | #6B8ED8 | 0.101 |
| Tritanopia (no blue cones) | #A2889F | 0.110 |
| Achromatopsia (no color) | #8E8E8E | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA78DB
#AA78DB
oklch(66.3% 0.15 306)
- #7CA32B
#7CA32B
oklch(66.4% 0.151 126.2)
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 #AA78DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wisteria #A87DC2 ΔE 0.043
- Medium Purple #9370DB ΔE 0.045
- Light Urple #B36FF6 ΔE 0.049
- Light Purple #BF77F6 ΔE 0.053
- Soft Purple #A66FB5 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.060
- Easter Purple #C071FE ΔE 0.066
Use #AA78DB 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.