#173f78 color: Twilight Blue
#173f78 is rgb(23, 63, 120) in RGB and oklch(37.311% 0.10724 257.906) in OKLCH. Every other format, shade and contrast value is below.
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- Blue
- Dark
- Vivid
- Deep
- Cool
- ≈ Charcoal
- sky-900
- Black 53%
Inside sRGB: displays the same on any screen.
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About #173f78
#173f78 is a deep dark blue color. In OKLCH it has 37.3% lightness, 0.107 chroma and a hue of 258°.
Inside sRGB: displays the same on any screen.
White text on it reaches 10.4:1 contrast and black text 2.02:1, so white text reads better.
The closest named color is Twilight Blue (#0a437a). In Tailwind CSS the closest color is sky-900.
Lighter: #173f78 mixed with white
Darker: #173f78 mixed with black
Calmer: #173f78 with less saturation
Similar named colors
Colors that go with #173f78
Questions about #173f78
What color is #173f78?
#173f78 is deep dark blue. The closest named color is Twilight Blue. In RGB it is rgb(23, 63, 120), in HSL hsl(215.26, 67.83%, 28.04%) and in OKLCH oklch(37.311% 0.10724 257.906).
What colors go well with #173f78?
The complementary color of #173f78 is #5c3800. For a calmer combination use the analogous colors #004968 and #3f3475. The triadic partners are #6e222a and #1f4d09.
Is white or black text more readable on #173f78?
White text reads better on #173f78: white gives a contrast ratio of 10.4:1 and black gives 2.02:1. WCAG AA asks for at least 4.5:1 for body text.
Is #173f78 a warm or cool color?
#173f78 is a cool color. In OKLCH its hue is 258 degrees, its lightness 37.3% and its chroma 0.107.