#183b59 color: Poseidon
#183b59 is rgb(24, 59, 89) in RGB and oklch(34.215% 0.06657 247.156) in OKLCH. Every other format, shade and contrast value is below.
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- Blue
- Dark
- Soft
- Cool
- ≈ Charcoal
- slate-700
- Black 65%
Inside sRGB: displays the same on any screen.
Shades
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About #183b59
#183b59 is a soft dark blue color. In OKLCH it has 34.2% lightness, 0.067 chroma and a hue of 247°.
Inside sRGB: displays the same on any screen.
White text on it reaches 11.61:1 contrast and black text 1.81:1, so white text reads better.
The closest named color is Poseidon (#143c5d). In Tailwind CSS the closest color is slate-700.
Lighter: #183b59 mixed with white
Darker: #183b59 mixed with black
Calmer: #183b59 with less saturation
Similar named colors
Colors that go with #183b59
Questions about #183b59
What color is #183b59?
#183b59 is soft dark blue. The closest named color is Poseidon. In RGB it is rgb(24, 59, 89), in HSL hsl(207.69, 57.52%, 22.16%) and in OKLCH oklch(34.215% 0.06657 247.156).
What colors go well with #183b59?
The complementary color of #183b59 is #4f310b. For a calmer combination use the analogous colors #00404f and #30355b. The triadic partners are #552932 and #2f3f16.
Is white or black text more readable on #183b59?
White text reads better on #183b59: white gives a contrast ratio of 11.61:1 and black gives 1.81:1. WCAG AA asks for at least 4.5:1 for body text.
Is #183b59 a warm or cool color?
#183b59 is a cool color. In OKLCH its hue is 247 degrees, its lightness 34.2% and its chroma 0.067.