#0F172A
black
#0F172A is a very dark, moderately saturated blue with a hue angle of 222°. the closest CSS named color is black. Suits dark themes — great for blue accent surfaces or hover states on dark backgrounds.
Color Formats
HEX
#0f172a
RGB
rgb(15, 23, 42)
HSL
hsl(222, 47%, 11%)
OKLCH
oklch(20.8% 0.0398 265.8)
WCAG Contrast Ratios
On White (#fff)
17.85:1
AA Normal ✓ AA Large ✓ AAA ✓
Sample Text
On Black (#000)
1.18:1
AA Normal ✗ AA Large ✗ AAA ✗
Sample Text
Shades & Tints
Shades (Darker)
Tints (Lighter)
Related Colors
Complementary
Analogous
Closest CSS named color
black
#000000
Look up another color
Open full Color Info toolAbout #0F172A
#0F172A is a hex color code closest to the CSS named color black. It has a perceived brightness of 9% making it a dark color. In RGB it is rgb(15, 23, 42), in HSL it is hsl(222, 47%, 11%), and in the modern OKLCH color space it is oklch(20.8% 0.0398 265.8).
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.