#866ADD
Closest named color: Medium Purple (#9370DB). oklch(60.6% 0.169 291.8), rgb(134, 106, 221).
Aa
Black text reads best on this color (5.11:1).
About this color
#866ADD is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.169 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 0.027 away. Black text reads best on it, at 5.11:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #866ADD |
| RGB | rgb(134, 106, 221) |
| HSL | hsl(255, 63%, 64%) |
| OKLCH | oklch(60.6% 0.169 291.8) |
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 #866ADD | 4.10:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #866ADD | 5.11:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #866ADD text on white | 4.10:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #866ADD text on black | 5.11:1 | AA | Lc -33.7 | 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C1B8F2
oklch(81% 0.081 291.6)
-
Step 400
400
#A290EC
oklch(70.6% 0.133 291.6)
-
Step 500
500 (this color)
#866ADD
oklch(60.6% 0.169 291.8)
-
Step 600
600
#7957D4
oklch(55.7% 0.184 291.9)
-
Step 700
700
#6646B7
oklch(49.1% 0.17 292)
-
Step 800
800
#533A94
oklch(42.6% 0.141 292.1)
-
Step 900
900
#443376
oklch(37.6% 0.11 291.9)
-
Step 950
950
#281F45
oklch(27.1% 0.069 292.1)
#866ADD 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) | #387FE1 | 0.099 |
| Deuteranopia (no green cones) | #3D7BDA | 0.095 |
| Tritanopia (no blue cones) | #6F8299 | 0.139 |
| Achromatopsia (no color) | #7D7D7D | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866ADD
#866ADD
oklch(60.6% 0.169 291.8)
- #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 #866ADD, closest first.
No curated palette has a color within ΔE 0.04 of #866ADD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.027
- Medium Slate Blue #7B68EE ΔE 0.032
- Purpley #8756E4 ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.059
- Cornflower #6A79F7 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.061
Use #866ADD 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.