#A78EFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.5% 0.156 292.6), rgb(167, 142, 251).
Aa
Black text reads best on this color (7.90:1).
About this color
#A78EFB is a medium-light, vivid purple. In OKLCH its lightness is 71%, its chroma 0.156 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.041 away. Black text reads best on it, at 7.90:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.90:1 |
| White text | 2.65:1 |
Values
| HEX | #A78EFB |
| RGB | rgb(167, 142, 251) |
| HSL | hsl(254, 93%, 77%) |
| OKLCH | oklch(71.5% 0.156 292.6) |
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 #A78EFB | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #A78EFB | 7.90:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #A78EFB text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #A78EFB text on black | 7.90:1 | 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
#D9D3FB
oklch(88.4% 0.055 292.1)
-
Step 300
300
#C2B5FB
oklch(80.9% 0.098 292.6)
-
Step 400
400 (this color)
#A78EFB
oklch(71.5% 0.156 292.6)
-
Step 500
500
#916AF5
oklch(63.1% 0.199 292.7)
-
Step 600
600
#7C4CE4
oklch(55.5% 0.217 292.4)
-
Step 700
700
#693CC6
oklch(49.1% 0.201 292.3)
-
Step 800
800
#5633A0
oklch(42.8% 0.167 292.7)
-
Step 900
900
#462E7F
oklch(37.6% 0.131 292.7)
-
Step 950
950
#291C4A
oklch(27% 0.082 293.1)
#A78EFB 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) | #6BA0FF | 0.083 |
| Deuteranopia (no green cones) | #6E9DF8 | 0.079 |
| Tritanopia (no blue cones) | #93A3B8 | 0.130 |
| Achromatopsia (no color) | #9F9F9F | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A78EFB
#A78EFB
oklch(71.5% 0.156 292.6)
- #A5AC0F
#A5AC0F
oklch(71.5% 0.156 112.7)
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 #A78EFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.041
- Liliac #C48EFD ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.045
- Perrywinkle #8F8CE7 ΔE 0.047
- Periwinkle #8E82FE ΔE 0.051
- Light Purple #BF77F6 ΔE 0.061
- Pale Purple #B790D4 ΔE 0.064
- Baby Purple #CA9BF7 ΔE 0.067
Use #A78EFB 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.