#866DCD
Closest named color: Medium Purple (#9370DB). oklch(60.2% 0.143 293.6), rgb(134, 109, 205).
Aa
Black text reads best on this color (5.08:1).
About this color
#866DCD is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.143 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.031 away. Black text reads best on it, at 5.08:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #866DCD |
| RGB | rgb(134, 109, 205) |
| HSL | hsl(256, 49%, 62%) |
| OKLCH | oklch(60.2% 0.143 293.6) |
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 #866DCD | 4.13:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #866DCD | 5.08:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #866DCD text on white | 4.13:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #866DCD text on black | 5.08:1 | AA | Lc -33.4 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C2B9EA
oklch(81% 0.069 293.2)
-
Step 400
400
#A493E0
oklch(70.8% 0.112 293.5)
-
Step 500
500 (this color)
#866DCD
oklch(60.2% 0.143 293.6)
-
Step 600
600
#7A5DC4
oklch(55.7% 0.155 293.7)
-
Step 700
700
#674CA9
oklch(49.2% 0.143 293.9)
-
Step 800
800
#543F89
oklch(42.8% 0.119 293.9)
-
Step 900
900
#45366E
oklch(37.8% 0.094 293.8)
-
Step 950
950
#282040
oklch(27% 0.059 293.6)
#866DCD 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) | #4C7ED0 | 0.082 |
| Deuteranopia (no green cones) | #507BCB | 0.077 |
| Tritanopia (no blue cones) | #757F93 | 0.116 |
| Achromatopsia (no color) | #7D7D7D | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866DCD
#866DCD
oklch(60.2% 0.143 293.6)
- #818800
#818800
oklch(60% 0.134 113.4)
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 #866DCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.031
- Deep Lilac #966EBD ΔE 0.037
- Deep Lavender #8D5EB7 ΔE 0.045
- Amethyst #9B5FC0 ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.065
- Light Indigo #6D5ACF ΔE 0.065
- Purpley #8756E4 ΔE 0.066
Use #866DCD 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.