#866FC5
Closest named color: Deep Lilac (#966EBD). oklch(60.1% 0.129 294.5), rgb(134, 111, 197).
Aa
Black text reads best on this color (5.09:1).
About this color
#866FC5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 60%, its chroma 0.129 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.028 away. Black text reads best on it, at 5.09:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #866FC5 |
| RGB | rgb(134, 111, 197) |
| HSL | hsl(256, 43%, 60%) |
| OKLCH | oklch(60.1% 0.129 294.5) |
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 #866FC5 | 4.12:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #866FC5 | 5.09:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #866FC5 text on white | 4.12:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #866FC5 text on black | 5.09:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C3B9E6
oklch(80.9% 0.064 295.1)
-
Step 400
400
#A494D9
oklch(70.6% 0.1 294.3)
-
Step 500
500 (this color)
#866FC5
oklch(60.1% 0.129 294.5)
-
Step 600
600
#7A5FBC
oklch(55.5% 0.141 294.8)
-
Step 700
700
#674EA2
oklch(49.1% 0.131 294.8)
-
Step 800
800
#544183
oklch(42.8% 0.107 294.7)
-
Step 900
900
#453769
oklch(37.6% 0.084 294.9)
-
Step 950
950
#28213E
oklch(27.1% 0.053 293.6)
#866FC5 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) | #547EC8 | 0.073 |
| Deuteranopia (no green cones) | #587CC3 | 0.069 |
| Tritanopia (no blue cones) | #787F90 | 0.106 |
| Achromatopsia (no color) | #7D7D7D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866FC5
#866FC5
oklch(60.1% 0.129 294.5)
- #7F8815
#7F8815
oklch(59.9% 0.129 114.4)
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 #866FC5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.028
- Medium Purple #9370DB ΔE 0.040
- Deep Lavender #8D5EB7 ΔE 0.044
- Amethyst #9B5FC0 ΔE 0.048
- Soft Purple #A66FB5 ΔE 0.058
- Dark Lilac #9C6DA5 ΔE 0.060
- Dark Lavender #856798 ΔE 0.069
- Medium Slate Blue #7B68EE ΔE 0.070
Use #866FC5 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.