#866BB3
Closest named color: Deep Lilac (#966EBD). oklch(58.4% 0.111 300.3), rgb(134, 107, 179).
Aa
Black text reads best on this color (4.76:1).
About this color
#866BB3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.111 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.032 away. Black text reads best on it, at 4.76:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #866BB3 |
| RGB | rgb(134, 107, 179) |
| HSL | hsl(263, 32%, 56%) |
| OKLCH | oklch(58.4% 0.111 300.3) |
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 #866BB3 | 4.40:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #866BB3 | 4.76:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #866BB3 text on white | 4.40:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #866BB3 text on black | 4.76:1 | AA | Lc -31.2 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E9
oklch(88.5% 0.028 301.7)
-
Step 300
300
#C5BADD
oklch(80.9% 0.05 299.6)
-
Step 400
400
#A895CB
oklch(70.6% 0.08 300.5)
-
Step 500
500
#937BBE
oklch(63.1% 0.102 300)
-
Step 600
600 (this color)
#866BB3
oklch(58.4% 0.111 300.3)
-
Step 700
700
#6A5292
oklch(49.1% 0.102 299.9)
-
Step 800
800
#574376
oklch(42.7% 0.085 300.9)
-
Step 900
900
#473960
oklch(37.7% 0.067 299.7)
-
Step 950
950
#2A2238
oklch(27.2% 0.041 300.4)
#866BB3 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) | #5878B6 | 0.070 |
| Deuteranopia (no green cones) | #5E78B1 | 0.065 |
| Tritanopia (no blue cones) | #7E7786 | 0.087 |
| Achromatopsia (no color) | #787878 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866BB3
#866BB3
oklch(58.4% 0.111 300.3)
- #738531
#738531
oklch(58.4% 0.111 120.2)
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 #866BB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.032
- Deep Lavender #8D5EB7 ΔE 0.035
- Dark Lavender #856798 ΔE 0.041
- Dark Lilac #9C6DA5 ΔE 0.044
- Faded Purple #916E99 ΔE 0.047
- Amethyst #9B5FC0 ΔE 0.050
- Soft Purple #A66FB5 ΔE 0.056
- Grey Purple #826D8C ΔE 0.064
Use #866BB3 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.