#866ECA
Closest named color: Deep Lilac (#966EBD). oklch(60.2% 0.137 293.9), rgb(134, 110, 202).
Aa
Black text reads best on this color (5.09:1).
About this color
#866ECA is a medium-dark, moderately saturated purple. In OKLCH its lightness is 60%, its chroma 0.137 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.033 away. Black text reads best on it, at 5.09:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #866ECA |
| RGB | rgb(134, 110, 202) |
| HSL | hsl(256, 46%, 61%) |
| OKLCH | oklch(60.2% 0.137 293.9) |
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 #866ECA | 4.12:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #866ECA | 5.09:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #866ECA text on white | 4.12:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #866ECA text on black | 5.09:1 | AA | Lc -33.5 | 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
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C2B9E9
oklch(80.9% 0.068 293.4)
-
Step 400
400
#A493DD
oklch(70.6% 0.108 294)
-
Step 500
500 (this color)
#866ECA
oklch(60.2% 0.137 293.9)
-
Step 600
600
#7A5EC1
oklch(55.7% 0.149 294.1)
-
Step 700
700
#674DA7
oklch(49.2% 0.139 294)
-
Step 800
800
#533F87
oklch(42.6% 0.116 293.7)
-
Step 900
900
#45376C
oklch(37.8% 0.089 293.9)
-
Step 950
950
#28203F
oklch(26.9% 0.057 294.1)
#866ECA 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) | #507ECD | 0.077 |
| Deuteranopia (no green cones) | #537BC8 | 0.073 |
| Tritanopia (no blue cones) | #767F92 | 0.111 |
| Achromatopsia (no color) | #7D7D7D | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866ECA
#866ECA
oklch(60.2% 0.137 293.9)
- #818900
#818900
oklch(60.3% 0.135 113.8)
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 #866ECA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.033
- Medium Purple #9370DB ΔE 0.033
- Deep Lavender #8D5EB7 ΔE 0.045
- Amethyst #9B5FC0 ΔE 0.048
- Medium Slate Blue #7B68EE ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.063
- Dark Lilac #9C6DA5 ΔE 0.067
- Dark Periwinkle #665FD1 ΔE 0.067
Use #866ECA 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.