#866CED
Closest named color: Medium Slate Blue (#7B68EE). oklch(62% 0.187 289.1), rgb(134, 108, 237).
Aa
Black text reads best on this color (5.38:1).
About this color
#866CED is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.187 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.021 away. Black text reads best on it, at 5.38:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.38:1 |
| White text | 3.90:1 |
Values
| HEX | #866CED |
| RGB | rgb(134, 108, 237) |
| HSL | hsl(252, 78%, 68%) |
| OKLCH | oklch(62% 0.187 289.1) |
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 #866CED | 3.90:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #866CED | 5.38:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #866CED text on white | 3.90:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #866CED text on black | 5.38:1 | AA | Lc -35.5 | 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
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D7D4F9
oklch(88.4% 0.051 289)
-
Step 300
300
#BEB7F8
oklch(80.8% 0.091 289.1)
-
Step 400
400
#9F8FF5
oklch(70.7% 0.146 289.3)
-
Step 500
500 (this color)
#866CED
oklch(62% 0.187 289.1)
-
Step 600
600
#7553DF
oklch(55.5% 0.203 289.3)
-
Step 700
700
#6343C2
oklch(49.2% 0.188 289.2)
-
Step 800
800
#50389D
oklch(42.7% 0.156 289)
-
Step 900
900
#42327D
oklch(37.8% 0.122 289)
-
Step 950
950
#261E49
oklch(27% 0.077 288.7)
#866CED 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) | #2784F1 | 0.107 |
| Deuteranopia (no green cones) | #2A7EEA | 0.104 |
| Tritanopia (no blue cones) | #6788A2 | 0.155 |
| Achromatopsia (no color) | #818181 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866CED
#866CED
oklch(62% 0.187 289.1)
- #8D8C00
#8D8C00
oklch(62% 0.135 109.3)
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 #866CED, closest first.
No curated palette has a color within ΔE 0.04 of #866CED.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.021
- Medium Purple #9370DB ΔE 0.037
- Cornflower #6A79F7 ΔE 0.048
- Purpley #8756E4 ΔE 0.048
- Periwinkle #8E82FE ΔE 0.057
- Lighter Purple #A55AF4 ΔE 0.061
- Lavender Blue #8B88F8 ΔE 0.068
- Dark Periwinkle #665FD1 ΔE 0.073
Use #866CED 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.