#866CD6
Closest named color: Medium Purple (#9370DB). oklch(60.5% 0.157 292.4), rgb(134, 108, 214).
Aa
Black text reads best on this color (5.12:1).
About this color
#866CD6 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.157 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 0.025 away. Black text reads best on it, at 5.12:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #866CD6 |
| RGB | rgb(134, 108, 214) |
| HSL | hsl(255, 56%, 63%) |
| OKLCH | oklch(60.5% 0.157 292.4) |
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 #866CD6 | 4.09:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #866CD6 | 5.12:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #866CD6 text on white | 4.09:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #866CD6 text on black | 5.12:1 | AA | Lc -33.8 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A392E6
oklch(70.8% 0.121 292.3)
-
Step 500
500 (this color)
#866CD6
oklch(60.5% 0.157 292.4)
-
Step 600
600
#795ACC
oklch(55.6% 0.169 292.6)
-
Step 700
700
#6649B1
oklch(49.1% 0.158 292.4)
-
Step 800
800
#533D8F
oklch(42.8% 0.13 292.4)
-
Step 900
900
#443572
oklch(37.7% 0.101 292.2)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#866CD6 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) | #437FDA | 0.090 |
| Deuteranopia (no green cones) | #477BD4 | 0.085 |
| Tritanopia (no blue cones) | #728197 | 0.127 |
| Achromatopsia (no color) | #7D7D7D | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866CD6
#866CD6
oklch(60.5% 0.157 292.4)
- #848900
#848900
oklch(60.5% 0.134 112.3)
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 #866CD6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.025
- Medium Slate Blue #7B68EE ΔE 0.043
- Deep Lilac #966EBD ΔE 0.048
- Amethyst #9B5FC0 ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.054
- Purpley #8756E4 ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.062
- Light Indigo #6D5ACF ΔE 0.062
Use #866CD6 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.