#866D9F
Closest named color: Dark Lavender (#856798). oklch(57.8% 0.08 306.9), rgb(134, 109, 159).
Aa
Black text reads best on this color (4.70:1).
About this color
#866D9F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.080 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 4.70:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #866D9F |
| RGB | rgb(134, 109, 159) |
| HSL | hsl(270, 21%, 53%) |
| OKLCH | oklch(57.8% 0.08 306.9) |
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 #866D9F | 4.46:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #866D9F | 4.70:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #866D9F text on white | 4.46:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #866D9F text on black | 4.70:1 | 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
#EBE8EF
oklch(93.5% 0.01 305.4)
-
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
#957EAD
oklch(63.1% 0.074 306.7)
-
Step 600
600 (this color)
#866D9F
oklch(57.8% 0.08 306.9)
-
Step 700
700
#6C5582
oklch(49.1% 0.075 307.2)
-
Step 800
800
#58466A
oklch(42.8% 0.062 306.8)
-
Step 900
900
#483B56
oklch(37.7% 0.048 306.2)
-
Step 950
950
#2A2332
oklch(27.1% 0.029 305.8)
#866D9F 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) | #6476A1 | 0.053 |
| Deuteranopia (no green cones) | #69779E | 0.049 |
| Tritanopia (no blue cones) | #83747F | 0.060 |
| Achromatopsia (no color) | #777777 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866D9F
#866D9F
oklch(57.8% 0.08 306.9)
- #6D834E
#6D834E
oklch(57.9% 0.08 127.1)
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 #866D9F, 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 0.021
- Grey Purple #826D8C ΔE 0.031
- Dark Lilac #9C6DA5 ΔE 0.038
- Purple Grey #866F85 ΔE 0.043
- Dusty Purple #825F87 ΔE 0.047
- Lavender Gray #7E7F9A ΔE 0.053
- Deep Lilac #966EBD ΔE 0.054
Use #866D9F 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.