#666ca5 color: Twinkle Night
#666ca5 is rgb(102, 108, 165) in RGB and oklch(55.043% 0.08879 278.456) in OKLCH. Every other format, shade and contrast value is below.
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- Indigo
- Medium
- Soft
- Cool
- ≈ Steel blue
- slate-500
- Black 35%
Inside sRGB: displays the same on any screen.
Shades
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About #666ca5
#666ca5 is a soft indigo color. In OKLCH it has 55% lightness, 0.089 chroma and a hue of 278°.
Inside sRGB: displays the same on any screen.
White text on it reaches 4.94:1 contrast and black text 4.25:1, so white text reads better.
The closest named color is Twinkle Night (#636ca8). In Tailwind CSS the closest color is slate-500.
Lighter: #666ca5 mixed with white
Darker: #666ca5 mixed with black
Calmer: #666ca5 with less saturation
Similar named colors
Colors that go with #666ca5
Questions about #666ca5
What color is #666ca5?
#666ca5 is soft indigo. The closest named color is Twinkle Night. In RGB it is rgb(102, 108, 165), in HSL hsl(234.29, 25.93%, 52.35%) and in OKLCH oklch(55.043% 0.08879 278.456).
What colors go well with #666ca5?
The complementary color of #666ca5 is #7f722f. For a calmer combination use the analogous colors #4576a3 and #806399. The triadic partners are #9e5f4a and #3e815e.
Is white or black text more readable on #666ca5?
White text reads better on #666ca5: white gives a contrast ratio of 4.94:1 and black gives 4.25:1. WCAG AA asks for at least 4.5:1 for body text.
Is #666ca5 a warm or cool color?
#666ca5 is a cool color. In OKLCH its hue is 278 degrees, its lightness 55% and its chroma 0.089.