#866FAB
Closest named color: Dark Lavender (#856798). oklch(58.7% 0.093 301.2), rgb(134, 111, 171).
Aa
Black text reads best on this color (4.87:1).
About this color
#866FAB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.093 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 0.032 away. Black text reads best on it, at 4.87:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #866FAB |
| RGB | rgb(134, 111, 171) |
| HSL | hsl(263, 26%, 55%) |
| OKLCH | oklch(58.7% 0.093 301.2) |
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 #866FAB | 4.30:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #866FAB | 4.87:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #866FAB text on white | 4.30:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #866FAB text on black | 4.87:1 | AA | Lc -31.9 | 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
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DBD6E6
oklch(88.5% 0.022 300.2)
-
Step 300
300
#C5BBD8
oklch(80.9% 0.042 301.2)
-
Step 400
400
#A897C4
oklch(70.7% 0.067 302)
-
Step 500
500
#927DB5
oklch(63% 0.086 301.2)
-
Step 600
600 (this color)
#866FAB
oklch(58.7% 0.093 301.2)
-
Step 700
700
#69548A
oklch(49% 0.087 301.1)
-
Step 800
800
#564570
oklch(42.7% 0.072 301.6)
-
Step 900
900
#473A5B
oklch(37.7% 0.057 301.8)
-
Step 950
950
#292235
oklch(26.9% 0.036 300.9)
#866FAB 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) | #6179AD | 0.057 |
| Deuteranopia (no green cones) | #667AA9 | 0.053 |
| Tritanopia (no blue cones) | #807885 | 0.072 |
| Achromatopsia (no color) | #7A7A7A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866FAB
#866FAB
oklch(58.7% 0.093 301.2)
- #748543
#748543
oklch(58.7% 0.093 121.2)
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 #866FAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.032
- Faded Purple #916E99 ΔE 0.032
- Dark Lilac #9C6DA5 ΔE 0.037
- Deep Lilac #966EBD ΔE 0.039
- Grey Purple #826D8C ΔE 0.048
- Deep Lavender #8D5EB7 ΔE 0.051
- Soft Purple #A66FB5 ΔE 0.056
- Lavender Gray #7E7F9A ΔE 0.059
Use #866FAB 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.