#866CE0
Closest named color: Medium Purple (#9370DB). oklch(61.1% 0.17 290.8), rgb(134, 108, 224).
Aa
Black text reads best on this color (5.23:1).
About this color
#866CE0 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.170 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.026 away. Black text reads best on it, at 5.23:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.23:1 |
| White text | 4.01:1 |
Values
| HEX | #866CE0 |
| RGB | rgb(134, 108, 224) |
| HSL | hsl(253, 65%, 65%) |
| OKLCH | oklch(61.1% 0.17 290.8) |
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 #866CE0 | 4.01:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #866CE0 | 5.23:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #866CE0 text on white | 4.01:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #866CE0 text on black | 5.23:1 | AA | Lc -34.5 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7F9
oklch(93.5% 0.024 291)
-
Step 200
200
#D8D4F6
oklch(88.4% 0.047 290.8)
-
Step 300
300
#C0B8F3
oklch(81% 0.083 290.6)
-
Step 400
400
#A191ED
oklch(70.8% 0.133 290.6)
-
Step 500
500 (this color)
#866CE0
oklch(61.1% 0.17 290.8)
-
Step 600
600
#7757D5
oklch(55.6% 0.185 290.8)
-
Step 700
700
#6446B8
oklch(49% 0.172 290.8)
-
Step 800
800
#523B95
oklch(42.8% 0.141 291)
-
Step 900
900
#433377
oklch(37.6% 0.112 290.9)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#866CE0 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) | #3981E4 | 0.097 |
| Deuteranopia (no green cones) | #3D7CDD | 0.093 |
| Tritanopia (no blue cones) | #6E849C | 0.139 |
| Achromatopsia (no color) | #7F7F7F | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866CE0
#866CE0
oklch(61.1% 0.17 290.8)
- #888A00
#888A00
oklch(61.1% 0.134 110.8)
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 #866CE0, closest first.
No curated palette has a color within ΔE 0.04 of #866CE0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.026
- Medium Slate Blue #7B68EE ΔE 0.030
- Purpley #8756E4 ΔE 0.049
- Cornflower #6A79F7 ΔE 0.056
- Deep Lilac #966EBD ΔE 0.061
- Amethyst #9B5FC0 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.065
- Light Indigo #6D5ACF ΔE 0.065
Use #866CE0 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.