#428fb0 color: Boston Blue
#428fb0 is rgb(66, 143, 176) in RGB and oklch(61.524% 0.09036 228.935) in OKLCH. Every other format, shade and contrast value is below.
Read as HEX
- Ctrl Vpaste a color anywhere
- Spacerandom color
- Ccopy HEX
- Sky blue
- Medium
- Vivid
- Cool
- ≈ Steel blue
- cyan-600
- Black 31%
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 #428fb0
#428fb0 is a bright sky blue color. In OKLCH it has 61.5% lightness, 0.09 chroma and a hue of 229°.
Inside sRGB: displays the same on any screen.
White text on it reaches 3.63:1 contrast and black text 5.79:1, so white text reads better.
The closest named color is Boston Blue (#438eac). In Tailwind CSS the closest color is cyan-600.
Lighter: #428fb0 mixed with white
Darker: #428fb0 mixed with black
Calmer: #428fb0 with less saturation
Similar named colors
Colors that go with #428fb0
Questions about #428fb0
What color is #428fb0?
#428fb0 is bright sky blue. The closest named color is Boston Blue. In RGB it is rgb(66, 143, 176), in HSL hsl(198, 45.45%, 47.45%) and in OKLCH oklch(61.524% 0.09036 228.935).
What colors go well with #428fb0?
The complementary color of #428fb0 is #b17453. For a calmer combination use the analogous colors #309599 and #6386bb. The triadic partners are #ad6e8d and #898945.
Is white or black text more readable on #428fb0?
White text reads better on #428fb0: white gives a contrast ratio of 3.63:1 and black gives 5.79:1. WCAG AA asks for at least 4.5:1 for body text.
Is #428fb0 a warm or cool color?
#428fb0 is a cool color. In OKLCH its hue is 229 degrees, its lightness 61.5% and its chroma 0.09.