#66639d color: Dark Horizon
#66639d is rgb(102, 99, 157) in RGB and oklch(52.744% 0.09015 285.226) in OKLCH. Every other format, shade and contrast value is below.
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- Indigo
- Medium
- Muted
- Cool
- ≈ Steel blue
- slate-500
- Black 38%
Inside sRGB: displays the same on any screen.
Shades
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Harmonies
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About #66639d
#66639d is a muted indigo color. In OKLCH it has 52.7% lightness, 0.09 chroma and a hue of 285°.
Inside sRGB: displays the same on any screen.
White text on it reaches 5.47:1 contrast and black text 3.84:1, so white text reads better.
The closest named color is Dark Horizon (#666699). In Tailwind CSS the closest color is slate-500.
Lighter: #66639d mixed with white
Darker: #66639d mixed with black
Calmer: #66639d with less saturation
Similar named colors
Colors that go with #66639d
Questions about #66639d
What color is #66639d?
#66639d is muted indigo. The closest named color is Dark Horizon. In RGB it is rgb(102, 99, 157), in HSL hsl(243.1, 22.83%, 50.2%) and in OKLCH oklch(52.744% 0.09015 285.226).
What colors go well with #66639d?
The complementary color of #66639d is #736e29. For a calmer combination use the analogous colors #466d9e and #7f5a8f. The triadic partners are #96593d and #2d7b5e.
Is white or black text more readable on #66639d?
White text reads better on #66639d: white gives a contrast ratio of 5.47:1 and black gives 3.84:1. WCAG AA asks for at least 4.5:1 for body text.
Is #66639d a warm or cool color?
#66639d is a cool color. In OKLCH its hue is 285 degrees, its lightness 52.7% and its chroma 0.09.