#866BB0
Closest named color: Deep Lilac (#966EBD). oklch(58.2% 0.107 301.2), rgb(134, 107, 176).
Aa
Black text reads best on this color (4.74:1).
About this color
#866BB0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.107 and its hue 301°. 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 4.74:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #866BB0 |
| RGB | rgb(134, 107, 176) |
| HSL | hsl(263, 30%, 55%) |
| OKLCH | oklch(58.2% 0.107 301.2) |
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 #866BB0 | 4.42:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #866BB0 | 4.74:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #866BB0 text on white | 4.42:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #866BB0 text on black | 4.74:1 | AA | Lc -31.0 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E8
oklch(88.4% 0.027 302.5)
-
Step 300
300
#C6BADB
oklch(80.9% 0.048 301.9)
-
Step 400
400
#A996C9
oklch(70.8% 0.076 301.5)
-
Step 500
500
#947BBC
oklch(63.1% 0.099 301.3)
-
Step 600
600 (this color)
#866BB0
oklch(58.2% 0.107 301.2)
-
Step 700
700
#6B5290
oklch(49.1% 0.1 301.4)
-
Step 800
800
#574375
oklch(42.6% 0.084 301.4)
-
Step 900
900
#47395E
oklch(37.6% 0.064 300.8)
-
Step 950
950
#2A2237
oklch(27.1% 0.04 301.3)
#866BB0 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) | #5A77B3 | 0.067 |
| Deuteranopia (no green cones) | #5F78AE | 0.064 |
| Tritanopia (no blue cones) | #7E7685 | 0.083 |
| Achromatopsia (no color) | #787878 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866BB0
#866BB0
oklch(58.2% 0.107 301.2)
- #718436
#718436
oklch(58.1% 0.106 121.3)
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 #866BB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.034
- Dark Lavender #856798 ΔE 0.037
- Deep Lavender #8D5EB7 ΔE 0.037
- Dark Lilac #9C6DA5 ΔE 0.042
- Faded Purple #916E99 ΔE 0.043
- Amethyst #9B5FC0 ΔE 0.053
- Soft Purple #A66FB5 ΔE 0.056
- Grey Purple #826D8C ΔE 0.059
Use #866BB0 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.