#8A66C6
Closest named color: Deep Lavender (#8D5EB7). oklch(58.9% 0.145 299.2), rgb(138, 102, 198).
Aa
Black text reads best on this color (4.79:1).
About this color
#8A66C6 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.145 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.027 away. Black text reads best on it, at 4.79:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.79:1 |
| White text | 4.37:1 |
Values
| HEX | #8A66C6 |
| RGB | rgb(138, 102, 198) |
| HSL | hsl(263, 46%, 59%) |
| OKLCH | oklch(58.9% 0.145 299.2) |
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 #8A66C6 | 4.37:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #8A66C6 | 4.79:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #8A66C6 text on white | 4.37:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #8A66C6 text on black | 4.79:1 | AA | Lc -31.5 | 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 600.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD4EE
oklch(88.4% 0.036 299.7)
-
Step 300
300
#C6B8E6
oklch(80.9% 0.066 298.9)
-
Step 400
400
#AA92D9
oklch(70.8% 0.105 299.3)
-
Step 500
500
#9575CE
oklch(63% 0.133 299.1)
-
Step 600
600 (this color)
#8A66C6
oklch(58.9% 0.145 299.2)
-
Step 700
700
#6D4BA1
oklch(49.1% 0.135 299.7)
-
Step 800
800
#583E83
oklch(42.6% 0.112 299)
-
Step 900
900
#483669
oklch(37.8% 0.086 298.5)
-
Step 950
950
#2A203D
oklch(27% 0.054 298.6)
#8A66C6 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) | #4779C9 | 0.096 |
| Deuteranopia (no green cones) | #4F78C4 | 0.090 |
| Tritanopia (no blue cones) | #7E788D | 0.113 |
| Achromatopsia (no color) | #797979 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A66C6
#8A66C6
oklch(58.9% 0.145 299.2)
- #748800
#748800
oklch(59% 0.139 119.5)
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 #8A66C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.027
- Amethyst #9B5FC0 ΔE 0.032
- Deep Lilac #966EBD ΔE 0.035
- Medium Purple #9370DB ΔE 0.041
- Light Indigo #6D5ACF ΔE 0.061
- Purpley #8756E4 ΔE 0.062
- Soft Purple #A66FB5 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.064
Use #8A66C6 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.