#15528b color: Frank Blue
#15528b is rgb(21, 82, 139) in RGB and oklch(43.212% 0.11174 251.158) in OKLCH. Every other format, shade and contrast value is below.
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- Blue
- Dark
- Vivid
- Deep
- Cool
- ≈ Cobalt
- sky-800
- Black 45%
Inside sRGB: displays the same on any screen.
Shades
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Harmonies
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About #15528b
#15528b is a deep dark blue color. In OKLCH it has 43.2% lightness, 0.112 chroma and a hue of 251°.
Inside sRGB: displays the same on any screen.
White text on it reaches 8.04:1 contrast and black text 2.61:1, so white text reads better.
The closest named color is Frank Blue (#225288). In Tailwind CSS the closest color is sky-800.
Lighter: #15528b mixed with white
Darker: #15528b mixed with black
Calmer: #15528b with less saturation
Similar named colors
Colors that go with #15528b
Questions about #15528b
What color is #15528b?
#15528b is deep dark blue. The closest named color is Frank Blue. In RGB it is rgb(21, 82, 139), in HSL hsl(208.98, 73.75%, 31.37%) and in OKLCH oklch(43.212% 0.11174 251.158).
What colors go well with #15528b?
The complementary color of #15528b is #754300. For a calmer combination use the analogous colors #005b77 and #47468c. The triadic partners are #823141 and #395c0b.
Is white or black text more readable on #15528b?
White text reads better on #15528b: white gives a contrast ratio of 8.04:1 and black gives 2.61:1. WCAG AA asks for at least 4.5:1 for body text.
Is #15528b a warm or cool color?
#15528b is a cool color. In OKLCH its hue is 251 degrees, its lightness 43.2% and its chroma 0.112.