#A78DFF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.5% 0.163 292.3), rgb(167, 141, 255).
Aa
Black text reads best on this color (7.89:1).
About this color
#A78DFF is a medium-light, vivid purple. In OKLCH its lightness is 72%, its chroma 0.163 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.044 away. Black text reads best on it, at 7.89:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #A78DFF |
| RGB | rgb(167, 141, 255) |
| HSL | hsl(254, 100%, 78%) |
| OKLCH | oklch(71.5% 0.163 292.3) |
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 #A78DFF | 2.65:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #A78DFF | 7.89:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #A78DFF text on white | 2.65:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #A78DFF text on black | 7.89:1 | AAA | Lc -50.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#D9D3FC
oklch(88.5% 0.056 291.9)
-
Step 300
300
#C2B5FD
oklch(81% 0.101 292.3)
-
Step 400
400 (this color)
#A78DFF
oklch(71.5% 0.163 292.3)
-
Step 500
500
#9168FA
oklch(63.2% 0.208 292.3)
-
Step 600
600
#7D49E9
oklch(55.6% 0.227 292.3)
-
Step 700
700
#6A38CA
oklch(49.1% 0.21 292.5)
-
Step 800
800
#5630A4
oklch(42.7% 0.175 292.4)
-
Step 900
900
#462D82
oklch(37.7% 0.136 292.1)
-
Step 950
950
#291B4C
oklch(27% 0.087 292.8)
#A78DFF 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) | #67A0FF | 0.088 |
| Deuteranopia (no green cones) | #6A9CFC | 0.083 |
| Tritanopia (no blue cones) | #92A3BA | 0.134 |
| Achromatopsia (no color) | #9F9F9F | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A78DFF
#A78DFF
oklch(71.5% 0.163 292.3)
- #A6AC00
#A6AC00
oklch(71.5% 0.159 112.3)
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 #A78DFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.044
- Lavender Blue #8B88F8 ΔE 0.045
- Liliac #C48EFD ΔE 0.046
- Periwinkle #8E82FE ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.051
- Light Purple #BF77F6 ΔE 0.059
- Light Urple #B36FF6 ΔE 0.068
- Baby Purple #CA9BF7 ΔE 0.069
Use #A78DFF 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.