#866CD9
Closest named color: Medium Purple (#9370DB). oklch(60.7% 0.161 291.9), rgb(134, 108, 217).
Aa
Black text reads best on this color (5.16:1).
About this color
#866CD9 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.161 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.024 away. Black text reads best on it, at 5.16:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #866CD9 |
| RGB | rgb(134, 108, 217) |
| HSL | hsl(254, 59%, 64%) |
| OKLCH | oklch(60.7% 0.161 291.9) |
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 #866CD9 | 4.06:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #866CD9 | 5.16:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #866CD9 text on white | 4.06:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #866CD9 text on black | 5.16:1 | AA | Lc -34.0 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8F0
oklch(80.9% 0.079 291.9)
-
Step 400
400
#A291E8
oklch(70.6% 0.126 291.8)
-
Step 500
500 (this color)
#866CD9
oklch(60.7% 0.161 291.9)
-
Step 600
600
#7859CF
oklch(55.6% 0.175 291.8)
-
Step 700
700
#6548B3
oklch(49% 0.162 291.8)
-
Step 800
800
#533C91
oklch(42.7% 0.134 292.2)
-
Step 900
900
#443474
oklch(37.7% 0.106 292.1)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#866CD9 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) | #4080DD | 0.093 |
| Deuteranopia (no green cones) | #447CD6 | 0.088 |
| Tritanopia (no blue cones) | #718298 | 0.132 |
| Achromatopsia (no color) | #7E7E7E | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866CD9
#866CD9
oklch(60.7% 0.161 291.9)
- #858900
#858900
oklch(60.6% 0.134 111.8)
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 #866CD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.024
- Medium Slate Blue #7B68EE ΔE 0.039
- Deep Lilac #966EBD ΔE 0.052
- Purpley #8756E4 ΔE 0.053
- Amethyst #9B5FC0 ΔE 0.055
- Deep Lavender #8D5EB7 ΔE 0.058
- Cornflower #6A79F7 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.063
Use #866CD9 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.