#64748B
slategray
Color info, conversions, contrast ratios, shades, and tints for #64748B
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).
Related Free Tools
- Color Info & Lookup - Look up any hex color for conversions, contrast ratios, shades, and tints.
- Color Converter & Palette Generator - Generate full color palettes from any hex code.
- WCAG Contrast Checker - Test any two colors for accessibility compliance.
- CSS Gradient Generator - Build CSS gradients using this color.
Extract colors from any website
MiroMiro's Chrome extension extracts complete color palettes from any live website - including HEX, RGB, HSL, and OKLCH values.