#866AE8
Closest named color: Medium Slate Blue (#7B68EE). oklch(61.3% 0.183 290.2), rgb(134, 106, 232).
Aa
Black text reads best on this color (5.24:1).
About this color
#866AE8 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.183 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.021 away. Black text reads best on it, at 5.24:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #866AE8 |
| RGB | rgb(134, 106, 232) |
| HSL | hsl(253, 73%, 66%) |
| OKLCH | oklch(61.3% 0.183 290.2) |
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 #866AE8 | 4.00:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #866AE8 | 5.24:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #866AE8 text on white | 4.00:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #866AE8 text on black | 5.24:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB7F7
oklch(80.8% 0.09 290)
-
Step 400
400
#A08FF3
oklch(70.6% 0.144 290)
-
Step 500
500 (this color)
#866AE8
oklch(61.3% 0.183 290.2)
-
Step 600
600
#7754DD
oklch(55.7% 0.199 290.2)
-
Step 700
700
#6443BF
oklch(49% 0.184 290.2)
-
Step 800
800
#51389B
oklch(42.6% 0.154 289.9)
-
Step 900
900
#43327B
oklch(37.7% 0.119 290.2)
-
Step 950
950
#271E48
oklch(27% 0.075 290.3)
#866AE8 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) | #2A81EC | 0.107 |
| Deuteranopia (no green cones) | #2E7CE5 | 0.104 |
| Tritanopia (no blue cones) | #6A859F | 0.150 |
| Achromatopsia (no color) | #7F7F7F | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866AE8
#866AE8
oklch(61.3% 0.183 290.2)
- #898A00
#898A00
oklch(61.2% 0.134 110.3)
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 #866AE8, closest first.
No curated palette has a color within ΔE 0.04 of #866AE8.
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 0.034
- Purpley #8756E4 ΔE 0.043
- Cornflower #6A79F7 ΔE 0.053
- Lighter Purple #A55AF4 ΔE 0.061
- Periwinkle #8E82FE ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.067
- Dark Periwinkle #665FD1 ΔE 0.067
Use #866AE8 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.