#866BA4
Closest named color: Dark Lavender (#856798). oklch(57.6% 0.091 305.5), rgb(134, 107, 164).
Aa
Black text reads best on this color (4.65:1).
About this color
#866BA4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.091 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.019 away. Black text reads best on it, at 4.65:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #866BA4 |
| RGB | rgb(134, 107, 164) |
| HSL | hsl(268, 24%, 53%) |
| OKLCH | oklch(57.6% 0.091 305.5) |
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 #866BA4 | 4.51:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #866BA4 | 4.65:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #866BA4 text on white | 4.51:1 | AA | Lc 71.3 | Content text, not long reading |
| #866BA4 text on black | 4.65:1 | AA | Lc -30.4 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DCD6E5
oklch(88.5% 0.021 304)
-
Step 300
300
#C7BAD6
oklch(80.8% 0.041 306.4)
-
Step 400
400
#AA97C2
oklch(70.8% 0.065 304.9)
-
Step 500
500
#957DB2
oklch(63.2% 0.082 304.9)
-
Step 600
600 (this color)
#866BA4
oklch(57.6% 0.091 305.5)
-
Step 700
700
#6C5487
oklch(49.1% 0.084 305.1)
-
Step 800
800
#58456D
oklch(42.7% 0.068 305.5)
-
Step 900
900
#483A59
oklch(37.7% 0.055 304.6)
-
Step 950
950
#2A2234
oklch(26.9% 0.035 304.5)
#866BA4 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) | #5F76A6 | 0.061 |
| Deuteranopia (no green cones) | #6577A2 | 0.057 |
| Tritanopia (no blue cones) | #827380 | 0.067 |
| Achromatopsia (no color) | #767676 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866BA4
#866BA4
oklch(57.6% 0.091 305.5)
- #6C8345
#6C8345
oklch(57.7% 0.091 125.8)
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 #866BA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.019
- Faded Purple #916E99 ΔE 0.028
- Dark Lilac #9C6DA5 ΔE 0.038
- Grey Purple #826D8C ΔE 0.041
- Deep Lilac #966EBD ΔE 0.047
- Dusty Purple #825F87 ΔE 0.050
- Deep Lavender #8D5EB7 ΔE 0.050
- Purple Grey #866F85 ΔE 0.053
Use #866BA4 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.