#428bc4 color: Casting Sea
#428bc4 is rgb(66, 139, 196) in RGB and oklch(61.544% 0.11321 244.775) in OKLCH. Every other format, shade and contrast value is below.
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- Sky blue
- Medium
- Vivid
- Cool
- ≈ Steel blue
- cyan-600
- Black 23%
Inside sRGB: displays the same on any screen.
Shades
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Harmonies
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About #428bc4
#428bc4 is a bright sky blue color. In OKLCH it has 61.5% lightness, 0.113 chroma and a hue of 245°.
Inside sRGB: displays the same on any screen.
White text on it reaches 3.67:1 contrast and black text 5.72:1, so white text reads better.
The closest named color is Casting Sea (#4586c7). In Tailwind CSS the closest color is cyan-600.
Lighter: #428bc4 mixed with white
Darker: #428bc4 mixed with black
Calmer: #428bc4 with less saturation
Similar named colors
Colors that go with #428bc4
Questions about #428bc4
What color is #428bc4?
#428bc4 is bright sky blue. The closest named color is Casting Sea. In RGB it is rgb(66, 139, 196), in HSL hsl(206.31, 52.42%, 51.37%) and in OKLCH oklch(61.544% 0.11321 244.775).
What colors go well with #428bc4?
The complementary color of #428bc4 is #b37532. For a calmer combination use the analogous colors #0095af and #717ec8. The triadic partners are #bd667c and #76903f.
Is white or black text more readable on #428bc4?
White text reads better on #428bc4: white gives a contrast ratio of 3.67:1 and black gives 5.72:1. WCAG AA asks for at least 4.5:1 for body text.
Is #428bc4 a warm or cool color?
#428bc4 is a cool color. In OKLCH its hue is 245 degrees, its lightness 61.5% and its chroma 0.113.