#64748B
slategray
#64748B is a medium, muted blue with a hue angle of 215°. the closest CSS named color is slategray. A balanced blue suitable for icons, accents, and supporting UI elements.
Color Formats
HEX
#64748b
RGB
rgb(100, 116, 139)
HSL
hsl(215, 16%, 47%)
OKLCH
oklch(55.4% 0.0407 257.4)
WCAG Contrast Ratios
On White (#fff)
4.76:1
AA Normal ✓ AA Large ✓ AAA ✗
Sample Text
On Black (#000)
4.41:1
AA Normal ✗ AA Large ✓ AAA ✗
Sample Text
Shades & Tints
Shades (Darker)
Tints (Lighter)
Related Colors
Complementary
Analogous
Closest CSS named color
slategray
#708090
Look up another color
Open full Color Info toolAbout #64748B
#64748B is a hex color code closest to the CSS named color slategray. It has a perceived brightness of 45% making it a dark color. In RGB it is rgb(100, 116, 139), in HSL it is hsl(215, 16%, 47%), and in the modern OKLCH color space it is oklch(55.4% 0.0407 257.4).
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