#866AC7
Closest named color: Deep Lilac (#966EBD). oklch(59.3% 0.14 295.7), rgb(134, 106, 199).
Aa
Black text reads best on this color (4.89:1).
About this color
#866AC7 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.140 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.034 away. Black text reads best on it, at 4.89:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 4.89:1 |
| White text | 4.28:1 |
Values
| HEX | #866AC7 |
| RGB | rgb(134, 106, 199) |
| HSL | hsl(258, 45%, 60%) |
| OKLCH | oklch(59.3% 0.14 295.7) |
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 #866AC7 | 4.28:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #866AC7 | 4.89:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #866AC7 text on white | 4.28:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #866AC7 text on black | 4.89:1 | AA | Lc -32.2 | 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 600.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DBD5EE
oklch(88.5% 0.035 296.7)
-
Step 300
300
#C3B9E5
oklch(80.9% 0.062 295.4)
-
Step 400
400
#A694D9
oklch(70.8% 0.101 295.7)
-
Step 500
500
#9078CE
oklch(63.1% 0.128 295.3)
-
Step 600
600 (this color)
#866AC7
oklch(59.3% 0.14 295.7)
-
Step 700
700
#684EA1
oklch(49.1% 0.13 295.7)
-
Step 800
800
#554083
oklch(42.7% 0.109 295.9)
-
Step 900
900
#463769
oklch(37.7% 0.084 295.9)
-
Step 950
950
#29213D
oklch(27.1% 0.052 295.9)
#866AC7 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) | #4B7BCA | 0.084 |
| Deuteranopia (no green cones) | #5179C5 | 0.078 |
| Tritanopia (no blue cones) | #787B8F | 0.111 |
| Achromatopsia (no color) | #7A7A7A | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866AC7
#866AC7
oklch(59.3% 0.14 295.7)
- #7B8700
#7B8700
oklch(59.3% 0.135 115.9)
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 #866AC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.034
- Deep Lavender #8D5EB7 ΔE 0.035
- Medium Purple #9370DB ΔE 0.039
- Amethyst #9B5FC0 ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.062
- Medium Slate Blue #7B68EE ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.063
- Soft Purple #A66FB5 ΔE 0.064
Use #866AC7 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.