#183e63 color: Blue Opal
#183e63 is rgb(24, 62, 99) in RGB and oklch(35.633% 0.07756 250.413) 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 #183e63
#183e63 is a soft dark blue color. In OKLCH it has 35.6% lightness, 0.078 chroma and a hue of 250°.
Inside sRGB: displays the same on any screen.
White text on it reaches 11.01:1 contrast and black text 1.91:1, so white text reads better.
The closest named color is Blue Opal (#124168). In Tailwind CSS the closest color is slate-700.
Lighter: #183e63 mixed with white
Darker: #183e63 mixed with black
Calmer: #183e63 with less saturation
Similar named colors
Colors that go with #183e63
Questions about #183e63
What color is #183e63?
#183e63 is soft dark blue. The closest named color is Blue Opal. In RGB it is rgb(24, 62, 99), in HSL hsl(209.6, 60.98%, 24.12%) and in OKLCH oklch(35.633% 0.07756 250.413).
What colors go well with #183e63?
The complementary color of #183e63 is #553400. For a calmer combination use the analogous colors #004558 and #353664. The triadic partners are #5e2932 and #2e4414.
Is white or black text more readable on #183e63?
White text reads better on #183e63: white gives a contrast ratio of 11.01:1 and black gives 1.91:1. WCAG AA asks for at least 4.5:1 for body text.
Is #183e63 a warm or cool color?
#183e63 is a cool color. In OKLCH its hue is 250 degrees, its lightness 35.6% and its chroma 0.078.