#866EDA
Closest named color: Medium Purple (#9370DB). oklch(61.1% 0.159 291.2), rgb(134, 110, 218).
Aa
Black text reads best on this color (5.25:1).
About this color
#866EDA is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.159 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 0.022 away. Black text reads best on it, at 5.25:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #866EDA |
| RGB | rgb(134, 110, 218) |
| HSL | hsl(253, 59%, 64%) |
| OKLCH | oklch(61.1% 0.159 291.2) |
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 #866EDA | 3.99:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #866EDA | 5.25:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #866EDA text on white | 3.99:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #866EDA text on black | 5.25:1 | AA | Lc -34.6 | 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
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C0B8F0
oklch(80.8% 0.079 291.1)
-
Step 400
400
#A192E8
oklch(70.7% 0.124 290.9)
-
Step 500
500 (this color)
#866EDA
oklch(61.1% 0.159 291.2)
-
Step 600
600
#775ACF
oklch(55.6% 0.173 291.1)
-
Step 700
700
#6449B3
oklch(49.1% 0.161 291)
-
Step 800
800
#523D91
oklch(42.8% 0.133 291.3)
-
Step 900
900
#433573
oklch(37.7% 0.103 291.1)
-
Step 950
950
#271F44
oklch(26.9% 0.067 291.2)
#866EDA 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) | #4381DE | 0.089 |
| Deuteranopia (no green cones) | #467DD8 | 0.085 |
| Tritanopia (no blue cones) | #70849A | 0.130 |
| Achromatopsia (no color) | #7F7F7F | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866EDA
#866EDA
oklch(61.1% 0.159 291.2)
- #878A00
#878A00
oklch(61% 0.134 111.3)
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 #866EDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.022
- Medium Slate Blue #7B68EE ΔE 0.040
- Deep Lilac #966EBD ΔE 0.051
- Purpley #8756E4 ΔE 0.057
- Amethyst #9B5FC0 ΔE 0.058
- Cornflower #6A79F7 ΔE 0.060
- Deep Lavender #8D5EB7 ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.066
Use #866EDA 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.