#866CCA
Closest named color: Medium Purple (#9370DB). oklch(59.8% 0.141 294.5), rgb(134, 108, 202).
Aa
Black text reads best on this color (5.01:1).
About this color
#866CCA is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.141 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.034 away. Black text reads best on it, at 5.01:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.01:1 |
| White text | 4.19:1 |
Values
| HEX | #866CCA |
| RGB | rgb(134, 108, 202) |
| HSL | hsl(257, 47%, 61%) |
| OKLCH | oklch(59.8% 0.141 294.5) |
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 #866CCA | 4.19:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #866CCA | 5.01:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #866CCA text on white | 4.19:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #866CCA text on black | 5.01:1 | AA | Lc -32.9 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C3B9E9
oklch(81% 0.068 294.4)
-
Step 400
400
#A593DE
oklch(70.8% 0.109 294.5)
-
Step 500
500 (this color)
#866CCA
oklch(59.8% 0.141 294.5)
-
Step 600
600
#7B5DC2
oklch(55.7% 0.152 294.7)
-
Step 700
700
#684CA8
oklch(49.2% 0.142 294.6)
-
Step 800
800
#543F88
oklch(42.7% 0.117 294.1)
-
Step 900
900
#45366D
oklch(37.7% 0.092 294.1)
-
Step 950
950
#282040
oklch(27% 0.059 293.6)
#866CCA 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) | #4C7DCD | 0.082 |
| Deuteranopia (no green cones) | #517AC8 | 0.077 |
| Tritanopia (no blue cones) | #767E91 | 0.114 |
| Achromatopsia (no color) | #7C7C7C | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866CCA
#866CCA
oklch(59.8% 0.141 294.5)
- #7F8800
#7F8800
oklch(59.9% 0.135 114.4)
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 #866CCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.034
- Deep Lilac #966EBD ΔE 0.034
- Deep Lavender #8D5EB7 ΔE 0.041
- Amethyst #9B5FC0 ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.064
- Soft Purple #A66FB5 ΔE 0.064
Use #866CCA 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.