#8666CE
Closest named color: Medium Purple (#9370DB). oklch(59% 0.155 295.4), rgb(134, 102, 206).
Aa
Black text reads best on this color (4.80:1).
About this color
#8666CE is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.155 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 0.037 away. Black text reads best on it, at 4.80:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #8666CE |
| RGB | rgb(134, 102, 206) |
| HSL | hsl(258, 51%, 60%) |
| OKLCH | oklch(59% 0.155 295.4) |
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 #8666CE | 4.37:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #8666CE | 4.80:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #8666CE text on white | 4.37:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #8666CE text on black | 4.80:1 | AA | Lc -31.6 | 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 600.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F6
oklch(93.5% 0.02 295.2)
-
Step 200
200
#DBD5F1
oklch(88.6% 0.039 295.4)
-
Step 300
300
#C4B8E9
oklch(80.9% 0.069 296)
-
Step 400
400
#A692DF
oklch(70.7% 0.112 295.3)
-
Step 500
500
#9175D5
oklch(63% 0.142 295.5)
-
Step 600
600 (this color)
#8666CE
oklch(59% 0.155 295.4)
-
Step 700
700
#694BA8
oklch(49.1% 0.144 295.5)
-
Step 800
800
#553E88
oklch(42.7% 0.119 295.2)
-
Step 900
900
#46356D
oklch(37.6% 0.094 295.5)
-
Step 950
950
#292040
oklch(27.1% 0.059 295.2)
#8666CE 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) | #3F7AD2 | 0.097 |
| Deuteranopia (no green cones) | #4677CC | 0.091 |
| Tritanopia (no blue cones) | #757A90 | 0.124 |
| Achromatopsia (no color) | #797979 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8666CE
#8666CE
oklch(59% 0.155 295.4)
- #7B8600
#7B8600
oklch(59.1% 0.134 115.4)
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 #8666CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.037
- Deep Lavender #8D5EB7 ΔE 0.039
- Amethyst #9B5FC0 ΔE 0.042
- Deep Lilac #966EBD ΔE 0.046
- Purpley #8756E4 ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.053
- Dark Periwinkle #665FD1 ΔE 0.056
Use #8666CE 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.