#3578bb color: Windows Blue
#3578bb is rgb(53, 120, 187) in RGB and oklch(56.186% 0.12434 251.013) in OKLCH. Every other format, shade and contrast value is below.
Read as HEX
- Ctrl Vpaste a color anywhere
- Spacerandom color
- Ccopy HEX
- Blue
- Medium
- Vivid
- Cool
- ≈ Steel blue
- sky-600
- Black 27%
Inside sRGB: displays the same on any screen.
Shades
From lightest to darkest. Click a shade to use it.
Harmonies
Open as paletteRecent
Colors you stop on or copy appear here. They stay on this device.
About #3578bb
#3578bb is a bright blue color. In OKLCH it has 56.2% lightness, 0.124 chroma and a hue of 251°.
Inside sRGB: displays the same on any screen.
White text on it reaches 4.61:1 contrast and black text 4.56:1, so white text reads better.
The closest named color is Windows Blue (#3778bf). In Tailwind CSS the closest color is sky-600.
Lighter: #3578bb mixed with white
Darker: #3578bb mixed with black
Calmer: #3578bb with less saturation
Similar named colors
Colors that go with #3578bb
Questions about #3578bb
What color is #3578bb?
#3578bb is bright blue. The closest named color is Windows Blue. In RGB it is rgb(53, 120, 187), in HSL hsl(210, 55.83%, 47.06%) and in OKLCH oklch(56.186% 0.12434 251.013).
What colors go well with #3578bb?
The complementary color of #3578bb is #a26600. For a calmer combination use the analogous colors #0084a8 and #696abc. The triadic partners are #b15263 and #5a832d.
Is white or black text more readable on #3578bb?
White text reads better on #3578bb: white gives a contrast ratio of 4.61:1 and black gives 4.56:1. WCAG AA asks for at least 4.5:1 for body text.
Is #3578bb a warm or cool color?
#3578bb is a cool color. In OKLCH its hue is 251 degrees, its lightness 56.2% and its chroma 0.124.