#155f81 color: Royal Blood
#155f81 is rgb(21, 95, 129) in RGB and oklch(45.888% 0.08775 234.081) in OKLCH. Every other format, shade and contrast value is below.
Read as HEX
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- Sky blue
- Dark
- Vivid
- Deep
- Cool
- ≈ Cerulean
- cyan-800
- Black 49%
Inside sRGB: displays the same on any screen.
Shades
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Harmonies
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About #155f81
#155f81 is a deep dark sky blue color. In OKLCH it has 45.9% lightness, 0.088 chroma and a hue of 234°.
Inside sRGB: displays the same on any screen.
White text on it reaches 7.03:1 contrast and black text 2.99:1, so white text reads better.
The closest named color is Royal Blood (#105e80). In Tailwind CSS the closest color is cyan-800.
Lighter: #155f81 mixed with white
Darker: #155f81 mixed with black
Calmer: #155f81 with less saturation
Similar named colors
Colors that go with #155f81
Questions about #155f81
What color is #155f81?
#155f81 is deep dark sky blue. The closest named color is Royal Blood. In RGB it is rgb(21, 95, 129), in HSL hsl(198.89, 72%, 29.41%) and in OKLCH oklch(45.888% 0.08775 234.081).
What colors go well with #155f81?
The complementary color of #155f81 is #7d4923. For a calmer combination use the analogous colors #00656e and #3e5689. The triadic partners are #7d425b and #575d1b.
Is white or black text more readable on #155f81?
White text reads better on #155f81: white gives a contrast ratio of 7.03:1 and black gives 2.99:1. WCAG AA asks for at least 4.5:1 for body text.
Is #155f81 a warm or cool color?
#155f81 is a cool color. In OKLCH its hue is 234 degrees, its lightness 45.9% and its chroma 0.088.