#866FD7
Closest named color: Medium Purple (#9370DB). oklch(61.1% 0.153 291.4), rgb(134, 111, 215).
Aa
Black text reads best on this color (5.26:1).
About this color
#866FD7 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.153 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.022 away. Black text reads best on it, at 5.26:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #866FD7 |
| RGB | rgb(134, 111, 215) |
| HSL | hsl(253, 57%, 64%) |
| OKLCH | oklch(61.1% 0.153 291.4) |
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 #866FD7 | 3.98:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #866FD7 | 5.26:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #866FD7 text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #866FD7 text on black | 5.26:1 | AA | Lc -34.7 | 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
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D9D5F3
oklch(88.5% 0.041 291.7)
-
Step 300
300
#C0B9EE
oklch(81% 0.074 290.7)
-
Step 400
400
#A192E5
oklch(70.6% 0.12 291.3)
-
Step 500
500 (this color)
#866FD7
oklch(61.1% 0.153 291.4)
-
Step 600
600
#775BCB
oklch(55.5% 0.167 291.5)
-
Step 700
700
#644AB0
oklch(49% 0.156 291.3)
-
Step 800
800
#523E8E
oklch(42.8% 0.127 291.6)
-
Step 900
900
#433572
oklch(37.6% 0.101 291.3)
-
Step 950
950
#272043
oklch(27.1% 0.064 290.7)
#866FD7 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) | #4881DB | 0.084 |
| Deuteranopia (no green cones) | #4B7DD5 | 0.080 |
| Tritanopia (no blue cones) | #718499 | 0.126 |
| Achromatopsia (no color) | #7F7F7F | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866FD7
#866FD7
oklch(61.1% 0.153 291.4)
- #878A00
#878A00
oklch(61% 0.134 111.3)
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 #866FD7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.022
- Medium Slate Blue #7B68EE ΔE 0.045
- Deep Lilac #966EBD ΔE 0.047
- Amethyst #9B5FC0 ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.059
- Purpley #8756E4 ΔE 0.061
- Cornflower #6A79F7 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.067
Use #866FD7 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.