#647bbf color: Ultramarine Blue
#647bbf is rgb(100, 123, 191) in RGB and oklch(59.453% 0.10778 268.803) in OKLCH. Every other format, shade and contrast value is below.
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- Blue
- Medium
- Soft
- Cool
- ≈ Steel blue
- slate-500
- Black 25%
Inside sRGB: displays the same on any screen.
Shades
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About #647bbf
#647bbf is a soft blue color. In OKLCH it has 59.5% lightness, 0.108 chroma and a hue of 269°.
Inside sRGB: displays the same on any screen.
White text on it reaches 4.1:1 contrast and black text 5.13:1, so white text reads better.
The closest named color is Ultramarine Blue (#657abb). In Tailwind CSS the closest color is slate-500.
Lighter: #647bbf mixed with white
Darker: #647bbf mixed with black
Calmer: #647bbf with less saturation
Similar named colors
Colors that go with #647bbf
Questions about #647bbf
What color is #647bbf?
#647bbf is soft blue. The closest named color is Ultramarine Blue. In RGB it is rgb(100, 123, 191), in HSL hsl(224.84, 41.55%, 57.06%) and in OKLCH oklch(59.453% 0.10778 268.803).
What colors go well with #647bbf?
The complementary color of #647bbf is #997b24. For a calmer combination use the analogous colors #3587b7 and #876fb6. The triadic partners are #b66459 and #4c905a.
Is white or black text more readable on #647bbf?
White text reads better on #647bbf: white gives a contrast ratio of 4.1:1 and black gives 5.13:1. WCAG AA asks for at least 4.5:1 for body text.
Is #647bbf a warm or cool color?
#647bbf is a cool color. In OKLCH its hue is 269 degrees, its lightness 59.5% and its chroma 0.108.