#866FBE
Closest named color: Deep Lilac (#966EBD). oklch(59.7% 0.119 296), rgb(134, 111, 190).
Aa
Black text reads best on this color (5.03:1).
About this color
#866FBE is a medium-dark, moderately saturated purple. In OKLCH its lightness is 60%, its chroma 0.119 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.026 away. Black text reads best on it, at 5.03:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #866FBE |
| RGB | rgb(134, 111, 190) |
| HSL | hsl(257, 38%, 59%) |
| OKLCH | oklch(59.7% 0.119 296) |
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 #866FBE | 4.17:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #866FBE | 5.03:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #866FBE text on white | 4.17:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #866FBE text on black | 5.03:1 | AA | Lc -33.0 | 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 500.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5ED
oklch(88.4% 0.033 295.3)
-
Step 300
300
#C3BAE3
oklch(81% 0.058 295.1)
-
Step 400
400
#A595D5
oklch(70.7% 0.093 295.4)
-
Step 500
500 (this color)
#866FBE
oklch(59.7% 0.119 296)
-
Step 600
600
#7B61B6
oklch(55.6% 0.13 296)
-
Step 700
700
#68509D
oklch(49.2% 0.121 296)
-
Step 800
800
#54427F
oklch(42.7% 0.099 295.5)
-
Step 900
900
#453866
oklch(37.7% 0.078 295.4)
-
Step 950
950
#29213C
oklch(27.1% 0.05 296.6)
#866FBE 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) | #587DC1 | 0.069 |
| Deuteranopia (no green cones) | #5C7BBC | 0.064 |
| Tritanopia (no blue cones) | #7A7D8D | 0.097 |
| Achromatopsia (no color) | #7C7C7C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866FBE
#866FBE
oklch(59.7% 0.119 296)
- #7C8827
#7C8827
oklch(59.8% 0.12 116.3)
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 #866FBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.026
- Deep Lavender #8D5EB7 ΔE 0.042
- Medium Purple #9370DB ΔE 0.049
- Amethyst #9B5FC0 ΔE 0.050
- Dark Lilac #9C6DA5 ΔE 0.052
- Soft Purple #A66FB5 ΔE 0.055
- Dark Lavender #856798 ΔE 0.058
- Faded Purple #916E99 ΔE 0.059
Use #866FBE 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.