#8666DA
Closest named color: Medium Purple (#9370DB). oklch(59.7% 0.171 293.3), rgb(134, 102, 218).
Aa
Black text reads best on this color (4.92:1).
About this color
#8666DA is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.171 and its hue 293°. 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 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #8666DA |
| RGB | rgb(134, 102, 218) |
| HSL | hsl(257, 61%, 63%) |
| OKLCH | oklch(59.7% 0.171 293.3) |
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 #8666DA | 4.26:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #8666DA | 4.92:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #8666DA text on white | 4.26:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #8666DA text on black | 4.92:1 | AA | Lc -32.5 | 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C2B7F2
oklch(80.9% 0.083 293)
-
Step 400
400
#A58FEC
oklch(70.7% 0.134 293.5)
-
Step 500
500 (this color)
#8666DA
oklch(59.7% 0.171 293.3)
-
Step 600
600
#7B55D3
oklch(55.5% 0.185 293.3)
-
Step 700
700
#6845B7
oklch(49.1% 0.172 293.2)
-
Step 800
800
#553994
oklch(42.7% 0.143 293.6)
-
Step 900
900
#453276
oklch(37.6% 0.112 293.1)
-
Step 950
950
#281E45
oklch(26.9% 0.071 292.9)
#8666DA 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) | #337CDE | 0.105 |
| Deuteranopia (no green cones) | #3A78D7 | 0.100 |
| Tritanopia (no blue cones) | #717E96 | 0.138 |
| Achromatopsia (no color) | #7A7A7A | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8666DA
#8666DA
oklch(59.7% 0.171 293.3)
- #808700
#808700
oklch(59.7% 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 #8666DA, closest first.
No curated palette has a color within ΔE 0.04 of #8666DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.034
- Medium Slate Blue #7B68EE ΔE 0.035
- Purpley #8756E4 ΔE 0.039
- Amethyst #9B5FC0 ΔE 0.053
- Light Indigo #6D5ACF ΔE 0.054
- Deep Lavender #8D5EB7 ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.058
Use #8666DA 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.