#866DAE
Closest named color: Dark Lavender (#856798). oklch(58.5% 0.101 301), rgb(134, 109, 174).
Aa
Black text reads best on this color (4.81:1).
About this color
#866DAE is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.101 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.034 away. Black text reads best on it, at 4.81:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.81:1 |
| White text | 4.36:1 |
Values
| HEX | #866DAE |
| RGB | rgb(134, 109, 174) |
| HSL | hsl(263, 29%, 55%) |
| OKLCH | oklch(58.5% 0.101 301) |
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 #866DAE | 4.36:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #866DAE | 4.81:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #866DAE text on white | 4.36:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #866DAE text on black | 4.81:1 | AA | Lc -31.5 | 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 600.
-
Step 50
50
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD6E8
oklch(88.6% 0.025 301)
-
Step 300
300
#C5BADA
oklch(80.8% 0.046 301)
-
Step 400
400
#A896C7
oklch(70.6% 0.073 301.4)
-
Step 500
500
#937CB9
oklch(63.1% 0.093 301.1)
-
Step 600
600 (this color)
#866DAE
oklch(58.5% 0.101 301)
-
Step 700
700
#6A538D
oklch(49.1% 0.094 301.3)
-
Step 800
800
#564473
oklch(42.6% 0.079 300.8)
-
Step 900
900
#473A5D
oklch(37.8% 0.06 300.6)
-
Step 950
950
#2A2236
oklch(27% 0.038 302.3)
#866DAE 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) | #5D79B1 | 0.063 |
| Deuteranopia (no green cones) | #6279AC | 0.059 |
| Tritanopia (no blue cones) | #7F7785 | 0.078 |
| Achromatopsia (no color) | #797979 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866DAE
#866DAE
oklch(58.5% 0.101 301)
- #73853C
#73853C
oklch(58.6% 0.101 121.1)
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 #866DAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.034
- Deep Lilac #966EBD ΔE 0.035
- Faded Purple #916E99 ΔE 0.038
- Dark Lilac #9C6DA5 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.044
- Grey Purple #826D8C ΔE 0.054
- Soft Purple #A66FB5 ΔE 0.055
- Amethyst #9B5FC0 ΔE 0.058
Use #866DAE 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.