Slate900#0F172A
RGB(15, 23, 42) • HSL(222°, 47%, 11%) • CMYK(64%, 45%, 0%, 84%)
Color Values
About Slate900
Slate900 (#0F172A) is a dark, moderately saturated blue color. With RGB values of 15, 23, 42 and an HSL of 222°, 47%, 11%, it sits in the black family of colors. This hue is commonly used in design contexts that call for a dark black tone.
The HEX code #0F172A translates to red 15, green 23, blue 42 in RGB notation — a standard color model used in digital displays and web development. In HSL (Hue, Saturation, Lightness) notation, this color is represented as 222°, 47%, 11%, making it easy to create systematic tints and shades by adjusting the lightness value.
For print design, Slate900 converts to a CMYK value of 64% Cyan, 45% Magenta, 0% Yellow, and 84% Key (Black). Always verify CMYK values with your printer, as on-screen colors may differ slightly from physical prints due to gamut differences between RGB and CMYK color spaces.
Using Slate900 in Design
- •Slate900 works well as a strong accent or headline color against light backgrounds.
- •Apply it to call-to-action buttons or navigation elements to create visual weight and hierarchy.
- •Neutrals are the backbone of good design — use them to balance bold colors and ensure readability.
- •When using Slate900 in web design, always verify WCAG contrast ratios to ensure accessibility for all users.