#866DBB
Closest named color: Deep Lilac (#966EBD). oklch(59.2% 0.119 297.4), rgb(134, 109, 187).
Aa
Black text reads best on this color (4.91:1).
About this color
#866DBB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.119 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.027 away. Black text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 4.91:1 |
| White text | 4.26:1 |
Values
| HEX | #866DBB |
| RGB | rgb(134, 109, 187) |
| HSL | hsl(259, 36%, 58%) |
| OKLCH | oklch(59.2% 0.119 297.4) |
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 #866DBB | 4.26:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #866DBB | 4.91:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #866DBB text on white | 4.26:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #866DBB text on black | 4.91:1 | AA | Lc -32.3 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DBD5EB
oklch(88.4% 0.031 298.2)
-
Step 300
300
#C4BADF
oklch(80.9% 0.053 297.6)
-
Step 400
400
#A695D0
oklch(70.6% 0.087 297.4)
-
Step 500
500
#917BC3
oklch(63.2% 0.108 297.3)
-
Step 600
600 (this color)
#866DBB
oklch(59.2% 0.119 297.4)
-
Step 700
700
#685197
oklch(49% 0.111 297.3)
-
Step 800
800
#55437A
oklch(42.7% 0.09 297.5)
-
Step 900
900
#463962
oklch(37.7% 0.07 297.6)
-
Step 950
950
#29213A
oklch(26.9% 0.047 297.9)
#866DBB 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) | #577BBE | 0.070 |
| Deuteranopia (no green cones) | #5C7AB9 | 0.066 |
| Tritanopia (no blue cones) | #7B7B8B | 0.095 |
| Achromatopsia (no color) | #7A7A7A | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866DBB
#866DBB
oklch(59.2% 0.119 297.4)
- #798628
#798628
oklch(59.1% 0.118 116.9)
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 #866DBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.027
- Deep Lavender #8D5EB7 ΔE 0.037
- Amethyst #9B5FC0 ΔE 0.048
- Dark Lilac #9C6DA5 ΔE 0.050
- Medium Purple #9370DB ΔE 0.053
- Dark Lavender #856798 ΔE 0.053
- Soft Purple #A66FB5 ΔE 0.055
- Faded Purple #916E99 ΔE 0.057
Use #866DBB 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.