#183b63 color: Poseidon
#183b63 is rgb(24, 59, 99) in RGB and oklch(34.86% 0.08097 253.677) in OKLCH. Every other format, shade and contrast value is below.
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- Blue
- Dark
- Soft
- Cool
- ≈ Charcoal
- slate-700
- Black 61%
Inside sRGB: displays the same on any screen.
Shades
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About #183b63
#183b63 is a soft dark blue color. In OKLCH it has 34.9% lightness, 0.081 chroma and a hue of 254°.
Inside sRGB: displays the same on any screen.
White text on it reaches 11.38:1 contrast and black text 1.84:1, so white text reads better.
The closest named color is Poseidon (#143c5d). In Tailwind CSS the closest color is slate-700.
Lighter: #183b63 mixed with white
Darker: #183b63 mixed with black
Calmer: #183b63 with less saturation
Similar named colors
Colors that go with #183b63
Questions about #183b63
What color is #183b63?
#183b63 is soft dark blue. The closest named color is Poseidon. In RGB it is rgb(24, 59, 99), in HSL hsl(212, 60.98%, 24.12%) and in OKLCH oklch(34.86% 0.08097 253.677).
What colors go well with #183b63?
The complementary color of #183b63 is #533200. For a calmer combination use the analogous colors #004259 and #353362. The triadic partners are #5d262d and #284312.
Is white or black text more readable on #183b63?
White text reads better on #183b63: white gives a contrast ratio of 11.38:1 and black gives 1.84:1. WCAG AA asks for at least 4.5:1 for body text.
Is #183b63 a warm or cool color?
#183b63 is a cool color. In OKLCH its hue is 254 degrees, its lightness 34.9% and its chroma 0.081.