#866D9E
Closest named color: Dark Lavender (#856798). oklch(57.7% 0.079 307.4), rgb(134, 109, 158).
Aa
Black text reads best on this color (4.69:1).
About this color
#866D9E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.079 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.017 away. Black text reads best on it, at 4.69:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #866D9E |
| RGB | rgb(134, 109, 158) |
| HSL | hsl(271, 20%, 52%) |
| OKLCH | oklch(57.7% 0.079 307.4) |
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 #866D9E | 4.47:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #866D9E | 4.69:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #866D9E text on white | 4.47:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #866D9E text on black | 4.69:1 | AA | Lc -30.7 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DCD6E4
oklch(88.5% 0.02 305.2)
-
Step 300
300
#C7BBD3
oklch(80.9% 0.036 308)
-
Step 400
400
#AA98BD
oklch(70.8% 0.057 307)
-
Step 500
500
#957EAC
oklch(63.1% 0.072 307.2)
-
Step 600
600 (this color)
#866D9E
oklch(57.7% 0.079 307.4)
-
Step 700
700
#6C5581
oklch(49% 0.074 307.8)
-
Step 800
800
#584669
oklch(42.7% 0.061 307.5)
-
Step 900
900
#483B55
oklch(37.7% 0.046 307.1)
-
Step 950
950
#2A2332
oklch(27.1% 0.029 305.8)
#866D9E 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) | #6476A0 | 0.053 |
| Deuteranopia (no green cones) | #69779D | 0.049 |
| Tritanopia (no blue cones) | #83747F | 0.058 |
| Achromatopsia (no color) | #777777 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866D9E
#866D9E
oklch(57.7% 0.079 307.4)
- #6D824F
#6D824F
oklch(57.7% 0.077 126.9)
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 #866D9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.017
- Faded Purple #916E99 ΔE 0.020
- Grey Purple #826D8C ΔE 0.029
- Dark Lilac #9C6DA5 ΔE 0.039
- Purple Grey #866F85 ΔE 0.041
- Dusty Purple #825F87 ΔE 0.046
- Lavender Gray #7E7F9A ΔE 0.053
- Muted Purple #805B87 ΔE 0.054
Use #866D9E 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.