#AA78E4
Closest named color: Light Urple (#B36FF6). oklch(66.8% 0.161 303.7), rgb(170, 120, 228).
Aa
Black text reads best on this color (6.51:1).
About this color
#AA78E4 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.161 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.038 away. Black text reads best on it, at 6.51:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #AA78E4 |
| RGB | rgb(170, 120, 228) |
| HSL | hsl(268, 67%, 68%) |
| OKLCH | oklch(66.8% 0.161 303.7) |
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 #AA78E4 | 3.22:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #AA78E4 | 6.51:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #AA78E4 text on white | 3.22:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #AA78E4 text on black | 6.51:1 | AA | Lc -42.5 | 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
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD3F1
oklch(88.6% 0.043 303.7)
-
Step 300
300
#CBB5EB
oklch(81% 0.078 303.3)
-
Step 400
400
#B18CE0
oklch(70.7% 0.125 303.6)
-
Step 500
500 (this color)
#AA78E4
oklch(66.8% 0.161 303.7)
-
Step 600
600
#8A52C5
oklch(55.6% 0.175 303.7)
-
Step 700
700
#7542AA
oklch(49.1% 0.162 303.6)
-
Step 800
800
#5F378A
oklch(42.7% 0.135 303.4)
-
Step 900
900
#4E306E
oklch(37.6% 0.106 304.1)
-
Step 950
950
#2D1D41
oklch(27% 0.067 302.7)
#AA78E4 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) | #598EE8 | 0.116 |
| Deuteranopia (no green cones) | #668FE1 | 0.106 |
| Tritanopia (no blue cones) | #A08BA3 | 0.122 |
| Achromatopsia (no color) | #8F8F8F | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA78E4
#AA78E4
oklch(66.8% 0.161 303.7)
- #81A411
#81A411
oklch(66.8% 0.161 123.8)
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 #AA78E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.038
- Light Purple #BF77F6 ΔE 0.044
- Medium Purple #9370DB ΔE 0.045
- Easter Purple #C071FE ΔE 0.055
- Wisteria #A87DC2 ΔE 0.056
- Periwinkle #8E82FE ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.061
Use #AA78E4 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.