#8A78DA
Closest named color: Medium Purple (#9370DB). oklch(63.2% 0.144 290.1), rgb(138, 120, 218).
Aa
Black text reads best on this color (5.77:1).
About this color
#8A78DA is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.144 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.023 away. Black text reads best on it, at 5.77:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #8A78DA |
| RGB | rgb(138, 120, 218) |
| HSL | hsl(251, 57%, 66%) |
| OKLCH | oklch(63.2% 0.144 290.1) |
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 #8A78DA | 3.63:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #8A78DA | 5.77:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #8A78DA text on white | 3.63:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #8A78DA text on black | 5.77:1 | AA | Lc -37.9 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F2
oklch(88.4% 0.04 290.3)
-
Step 300
300
#BFB9EC
oklch(80.8% 0.072 290.1)
-
Step 400
400
#A094E2
oklch(70.7% 0.113 290.3)
-
Step 500
500 (this color)
#8A78DA
oklch(63.2% 0.144 290.1)
-
Step 600
600
#745EC7
oklch(55.5% 0.157 290)
-
Step 700
700
#624DAC
oklch(49.1% 0.146 290.2)
-
Step 800
800
#50408B
oklch(42.7% 0.12 290.2)
-
Step 900
900
#42376F
oklch(37.7% 0.093 290.2)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#8A78DA 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) | #5688DE | 0.073 |
| Deuteranopia (no green cones) | #5784D8 | 0.070 |
| Tritanopia (no blue cones) | #758B9E | 0.121 |
| Achromatopsia (no color) | #868686 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A78DA
#8A78DA
oklch(63.2% 0.144 290.1)
- #909000
#909000
oklch(63.2% 0.138 109.8)
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 #8A78DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.023
- Deep Lilac #966EBD ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.055
- Periwinkle #8E82FE ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.059
- Soft Blue #6488EA ΔE 0.061
- Cornflower #6A79F7 ΔE 0.062
Use #8A78DA 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.