#8A66D0
Closest named color: Medium Purple (#9370DB). oklch(59.5% 0.158 297), rgb(138, 102, 208).
Aa
Black text reads best on this color (4.89:1).
About this color
#8A66D0 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.158 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.032 away. Black text reads best on it, at 4.89:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 4.89:1 |
| White text | 4.29:1 |
Values
| HEX | #8A66D0 |
| RGB | rgb(138, 102, 208) |
| HSL | hsl(260, 53%, 61%) |
| OKLCH | oklch(59.5% 0.158 297) |
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 #8A66D0 | 4.29:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #8A66D0 | 4.89:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #8A66D0 text on white | 4.29:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #8A66D0 text on black | 4.89:1 | AA | Lc -32.2 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F3
oklch(88.6% 0.043 297.3)
-
Step 300
300
#C5B7ED
oklch(80.9% 0.077 296.5)
-
Step 400
400
#A98FE4
oklch(70.7% 0.124 297.2)
-
Step 500
500 (this color)
#8A66D0
oklch(59.5% 0.158 297)
-
Step 600
600
#8057CA
oklch(55.7% 0.172 296.9)
-
Step 700
700
#6C46AE
oklch(49% 0.159 297)
-
Step 800
800
#583A8D
oklch(42.6% 0.133 297.1)
-
Step 900
900
#483371
oklch(37.7% 0.103 296.8)
-
Step 950
950
#2A1E42
oklch(26.9% 0.066 297.1)
#8A66D0 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) | #3F7AD4 | 0.102 |
| Deuteranopia (no green cones) | #4879CD | 0.096 |
| Tritanopia (no blue cones) | #7A7B91 | 0.126 |
| Achromatopsia (no color) | #7A7A7A | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A66D0
#8A66D0
oklch(59.5% 0.158 297)
- #7A8800
#7A8800
oklch(59.5% 0.137 116.8)
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 #8A66D0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.032
- Amethyst #9B5FC0 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.040
- Deep Lilac #966EBD ΔE 0.044
- Purpley #8756E4 ΔE 0.050
- Medium Slate Blue #7B68EE ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.062
Use #8A66D0 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.