#866CCF
Closest named color: Medium Purple (#9370DB). oklch(60.1% 0.147 293.6), rgb(134, 108, 207).
Aa
Black text reads best on this color (5.05:1).
About this color
#866CCF is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.147 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.029 away. Black text reads best on it, at 5.05:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #866CCF |
| RGB | rgb(134, 108, 207) |
| HSL | hsl(256, 51%, 62%) |
| OKLCH | oklch(60.1% 0.147 293.6) |
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 #866CCF | 4.15:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #866CCF | 5.05:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #866CCF text on white | 4.15:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #866CCF text on black | 5.05:1 | AA | Lc -33.3 | 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 500.
-
Step 50
50
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#DAD5F2
oklch(88.6% 0.04 293.5)
-
Step 300
300
#C2B8EB
oklch(80.8% 0.072 293.7)
-
Step 400
400
#A492E2
oklch(70.7% 0.116 293.5)
-
Step 500
500 (this color)
#866CCF
oklch(60.1% 0.147 293.6)
-
Step 600
600
#7A5CC6
oklch(55.6% 0.159 293.6)
-
Step 700
700
#674BAC
oklch(49.2% 0.149 293.5)
-
Step 800
800
#543E8B
oklch(42.8% 0.123 293.7)
-
Step 900
900
#45356F
oklch(37.6% 0.097 294)
-
Step 950
950
#282041
oklch(27% 0.06 293.1)
#866CCF 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) | #497ED3 | 0.085 |
| Deuteranopia (no green cones) | #4D7BCD | 0.081 |
| Tritanopia (no blue cones) | #747F94 | 0.119 |
| Achromatopsia (no color) | #7C7C7C | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866CCF
#866CCF
oklch(60.1% 0.147 293.6)
- #818800
#818800
oklch(60% 0.134 113.4)
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 #866CCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.029
- Deep Lilac #966EBD ΔE 0.040
- Deep Lavender #8D5EB7 ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.053
- Purpley #8756E4 ΔE 0.062
- Light Indigo #6D5ACF ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.063
Use #866CCF 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.