#428fa9 color: Boston Blue
#428fa9 is rgb(66, 143, 169) in RGB and oklch(61.217% 0.08488 223.034) 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 34%
Inside sRGB: displays the same on any screen.
Shades
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Harmonies
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About #428fa9
#428fa9 is a bright sky blue color. In OKLCH it has 61.2% lightness, 0.085 chroma and a hue of 223°.
Inside sRGB: displays the same on any screen.
White text on it reaches 3.66:1 contrast and black text 5.73:1, so white text reads better.
The closest named color is Boston Blue (#438eac). In Tailwind CSS the closest color is cyan-600.
Lighter: #428fa9 mixed with white
Darker: #428fa9 mixed with black
Calmer: #428fa9 with less saturation
Similar named colors
Colors that go with #428fa9
Questions about #428fa9
What color is #428fa9?
#428fa9 is bright sky blue. The closest named color is Boston Blue. In RGB it is rgb(66, 143, 169), in HSL hsl(195.15, 43.83%, 46.08%) and in OKLCH oklch(61.217% 0.08488 223.034).
What colors go well with #428fa9?
The complementary color of #428fa9 is #af735a. For a calmer combination use the analogous colors #399492 and #5f87b6. The triadic partners are #a86f91 and #8d8647.
Is white or black text more readable on #428fa9?
White text reads better on #428fa9: white gives a contrast ratio of 3.66:1 and black gives 5.73:1. WCAG AA asks for at least 4.5:1 for body text.
Is #428fa9 a warm or cool color?
#428fa9 is a cool color. In OKLCH its hue is 223 degrees, its lightness 61.2% and its chroma 0.085.