#647bb7 color: Ultramarine Blue
#647bb7 is rgb(100, 123, 183) in RGB and oklch(59.032% 0.09626 267.445) 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
- Soft
- Cool
- ≈ Steel blue
- slate-500
- Black 28%
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 #647bb7
#647bb7 is a soft blue color. In OKLCH it has 59% lightness, 0.096 chroma and a hue of 267°.
Inside sRGB: displays the same on any screen.
White text on it reaches 4.15:1 contrast and black text 5.06:1, so white text reads better.
The closest named color is Ultramarine Blue (#657abb). In Tailwind CSS the closest color is slate-500.
Lighter: #647bb7 mixed with white
Darker: #647bb7 mixed with black
Calmer: #647bb7 with less saturation
Similar named colors
Colors that go with #647bb7
Questions about #647bb7
What color is #647bb7?
#647bb7 is soft blue. The closest named color is Ultramarine Blue. In RGB it is rgb(100, 123, 183), in HSL hsl(223.37, 36.56%, 55.49%) and in OKLCH oklch(59.032% 0.09626 267.445).
What colors go well with #647bb7?
The complementary color of #647bb7 is #967932. For a calmer combination use the analogous colors #3e85b0 and #8471af. The triadic partners are #af665d and #548d5c.
Is white or black text more readable on #647bb7?
White text reads better on #647bb7: white gives a contrast ratio of 4.15:1 and black gives 5.06:1. WCAG AA asks for at least 4.5:1 for body text.
Is #647bb7 a warm or cool color?
#647bb7 is a cool color. In OKLCH its hue is 267 degrees, its lightness 59% and its chroma 0.096.