#666ca8 color: Twinkle Night
#666ca8 is rgb(102, 108, 168) in RGB and oklch(55.2% 0.09329 278.511) in OKLCH. Every other format, shade and contrast value is below.
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- Indigo
- Medium
- Soft
- Cool
- ≈ Steel blue
- slate-500
- Black 34%
Inside sRGB: displays the same on any screen.
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About #666ca8
#666ca8 is a soft indigo color. In OKLCH it has 55.2% lightness, 0.093 chroma and a hue of 279°.
Inside sRGB: displays the same on any screen.
White text on it reaches 4.91:1 contrast and black text 4.28:1, so white text reads better.
The closest named color is Twinkle Night (#636ca8). In Tailwind CSS the closest color is slate-500.
Lighter: #666ca8 mixed with white
Darker: #666ca8 mixed with black
Calmer: #666ca8 with less saturation
Similar named colors
Colors that go with #666ca8
Questions about #666ca8
What color is #666ca8?
#666ca8 is soft indigo. The closest named color is Twinkle Night. In RGB it is rgb(102, 108, 168), in HSL hsl(234.55, 27.5%, 52.94%) and in OKLCH oklch(55.2% 0.09329 278.511).
What colors go well with #666ca8?
The complementary color of #666ca8 is #80732a. For a calmer combination use the analogous colors #4376a6 and #82639c. The triadic partners are #a05e49 and #3b835d.
Is white or black text more readable on #666ca8?
White text reads better on #666ca8: white gives a contrast ratio of 4.91:1 and black gives 4.28:1. WCAG AA asks for at least 4.5:1 for body text.
Is #666ca8 a warm or cool color?
#666ca8 is a cool color. In OKLCH its hue is 279 degrees, its lightness 55.2% and its chroma 0.093.