#155a8a color: Stunning Sapphire
#155a8a is rgb(21, 90, 138) in RGB and oklch(45.13% 0.10212 244.725) in OKLCH. Every other format, shade and contrast value is below.
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- Sky blue
- Dark
- Vivid
- Deep
- Cool
- ≈ Cobalt
- sky-800
- Black 46%
Inside sRGB: displays the same on any screen.
Shades
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Harmonies
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About #155a8a
#155a8a is a deep dark sky blue color. In OKLCH it has 45.1% lightness, 0.102 chroma and a hue of 245°.
Inside sRGB: displays the same on any screen.
White text on it reaches 7.34:1 contrast and black text 2.86:1, so white text reads better.
The closest named color is Stunning Sapphire (#185887). In Tailwind CSS the closest color is sky-800.
Lighter: #155a8a mixed with white
Darker: #155a8a mixed with black
Calmer: #155a8a with less saturation
Similar named colors
Colors that go with #155a8a
Questions about #155a8a
What color is #155a8a?
#155a8a is deep dark sky blue. The closest named color is Stunning Sapphire. In RGB it is rgb(21, 90, 138), in HSL hsl(204.62, 73.58%, 31.18%) and in OKLCH oklch(45.13% 0.10212 244.725).
What colors go well with #155a8a?
The complementary color of #155a8a is #7c4700. For a calmer combination use the analogous colors #006278 and #454f8e. The triadic partners are #833a4e and #495f13.
Is white or black text more readable on #155a8a?
White text reads better on #155a8a: white gives a contrast ratio of 7.34:1 and black gives 2.86:1. WCAG AA asks for at least 4.5:1 for body text.
Is #155a8a a warm or cool color?
#155a8a is a cool color. In OKLCH its hue is 245 degrees, its lightness 45.1% and its chroma 0.102.