#866399
Closest named color: Dark Lavender (#856798). oklch(55.6% 0.091 313.2), rgb(134, 99, 153).
Aa
White text reads best on this color (4.93:1).
About this color
#866399 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.091 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.011 away. White text reads best on it, at 4.93:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #866399 |
| RGB | rgb(134, 99, 153) |
| HSL | hsl(279, 21%, 49%) |
| OKLCH | oklch(55.6% 0.091 313.2) |
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 #866399 | 4.93:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #866399 | 4.25:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #866399 text on white | 4.93:1 | AA | Lc 74.1 | Content text, not long reading |
| #866399 text on black | 4.25:1 | AA large text | Lc -27.6 | Dividers and decoration only |
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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE8F0
oklch(93.7% 0.012 313.2)
-
Step 200
200
#DED5E4
oklch(88.5% 0.022 312.2)
-
Step 300
300
#CAB9D4
oklch(80.8% 0.042 313.1)
-
Step 400
400
#AF95BE
oklch(70.7% 0.065 313.1)
-
Step 500
500
#9B7BAE
oklch(63.2% 0.083 312.5)
-
Step 600
600 (this color)
#866399
oklch(55.6% 0.091 313.2)
-
Step 700
700
#725283
oklch(49.2% 0.085 313.4)
-
Step 800
800
#5C436A
oklch(42.6% 0.07 312.9)
-
Step 900
900
#4C3956
oklch(37.7% 0.054 313.6)
-
Step 950
950
#2C2132
oklch(26.8% 0.034 313.4)
#866399 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) | #5A6E9B | 0.070 |
| Deuteranopia (no green cones) | #627197 | 0.065 |
| Tritanopia (no blue cones) | #856A77 | 0.063 |
| Achromatopsia (no color) | #707070 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866399
#866399
oklch(55.6% 0.091 313.2)
- #5E7F46
#5E7F46
oklch(55.7% 0.091 133.2)
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 #866399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.011
- Dusty Purple #825F87 ΔE 0.029
- Muted Purple #805B87 ΔE 0.033
- Faded Purple #916E99 ΔE 0.037
- Grey Purple #826D8C ΔE 0.039
- Dull Purple #84597E ΔE 0.044
- Dusky Purple #895B7B ΔE 0.046
- Dark Lilac #9C6DA5 ΔE 0.050
Use #866399 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.