#866FB7
Closest named color: Deep Lilac (#966EBD). oklch(59.3% 0.11 297.7), rgb(134, 111, 183).
Aa
Black text reads best on this color (4.97:1).
About this color
#866FB7 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.110 and its hue 298°. 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 4.97:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #866FB7 |
| RGB | rgb(134, 111, 183) |
| HSL | hsl(259, 33%, 58%) |
| OKLCH | oklch(59.3% 0.11 297.7) |
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 #866FB7 | 4.22:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #866FB7 | 4.97:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #866FB7 text on white | 4.22:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #866FB7 text on black | 4.97:1 | AA | Lc -32.6 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DBD6E9
oklch(88.6% 0.026 297.9)
-
Step 300
300
#C4BADD
oklch(80.8% 0.05 298.3)
-
Step 400
400
#A696CC
oklch(70.6% 0.079 297.9)
-
Step 500
500
#917CBF
oklch(63.2% 0.101 297.9)
-
Step 600
600 (this color)
#866FB7
oklch(59.3% 0.11 297.7)
-
Step 700
700
#685393
oklch(49.2% 0.102 297.7)
-
Step 800
800
#554477
oklch(42.7% 0.084 298.1)
-
Step 900
900
#463A60
oklch(37.8% 0.065 297.8)
-
Step 950
950
#292238
oklch(27% 0.041 298.2)
#866FB7 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) | #5C7BBA | 0.063 |
| Deuteranopia (no green cones) | #607AB5 | 0.059 |
| Tritanopia (no blue cones) | #7C7B8A | 0.087 |
| Achromatopsia (no color) | #7B7B7B | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866FB7
#866FB7
oklch(59.3% 0.11 297.7)
- #798733
#798733
oklch(59.4% 0.11 117.9)
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 #866FB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.028
- Deep Lavender #8D5EB7 ΔE 0.043
- Dark Lilac #9C6DA5 ΔE 0.045
- Dark Lavender #856798 ΔE 0.048
- Faded Purple #916E99 ΔE 0.049
- Soft Purple #A66FB5 ΔE 0.053
- Amethyst #9B5FC0 ΔE 0.054
- Medium Purple #9370DB ΔE 0.059
Use #866FB7 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.