#866DD7
Closest named color: Medium Purple (#9370DB). oklch(60.7% 0.156 291.9), rgb(134, 109, 215).
Aa
Black text reads best on this color (5.18:1).
About this color
#866DD7 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.156 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.023 away. Black text reads best on it, at 5.18:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #866DD7 |
| RGB | rgb(134, 109, 215) |
| HSL | hsl(254, 57%, 64%) |
| OKLCH | oklch(60.7% 0.156 291.9) |
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 #866DD7 | 4.05:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #866DD7 | 5.18:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #866DD7 text on white | 4.05:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #866DD7 text on black | 5.18:1 | AA | Lc -34.1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE8F8
oklch(93.7% 0.022 291.7)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A292E6
oklch(70.7% 0.121 291.7)
-
Step 500
500 (this color)
#866DD7
oklch(60.7% 0.156 291.9)
-
Step 600
600
#785ACD
oklch(55.6% 0.171 291.9)
-
Step 700
700
#6549B1
oklch(49% 0.158 291.9)
-
Step 800
800
#523D8F
oklch(42.7% 0.13 291.7)
-
Step 900
900
#443572
oklch(37.7% 0.101 292.2)
-
Step 950
950
#271F43
oklch(26.9% 0.065 291.6)
#866DD7 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) | #4480DB | 0.089 |
| Deuteranopia (no green cones) | #487CD5 | 0.084 |
| Tritanopia (no blue cones) | #718298 | 0.127 |
| Achromatopsia (no color) | #7E7E7E | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866DD7
#866DD7
oklch(60.7% 0.156 291.9)
- #858900
#858900
oklch(60.6% 0.134 111.8)
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 #866DD7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.023
- Medium Slate Blue #7B68EE ΔE 0.042
- Deep Lilac #966EBD ΔE 0.048
- Amethyst #9B5FC0 ΔE 0.054
- Deep Lavender #8D5EB7 ΔE 0.056
- Purpley #8756E4 ΔE 0.057
- Cornflower #6A79F7 ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.064
Use #866DD7 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.