Black Hole

A near-absolute black with subtle depth

Black Hole color codes graphic
Black Hole is a near-absolute black with subtle ashy undertones that prevent it from feeling like flat, digital ink. Because it sits just above pure black, this hex code #010203 works best as a primary UI background where high contrast is necessary. Pair it with crisp white typography for maximum readability, as it supports a high contrast ratio of 20.8:1.

Questions about Black Hole

What is the hex code for Black Hole?
Black Hole is #010203. In RGB that is rgb(1, 2, 3), in HSL hsl(210, 50%, 1%) and in CMYK 67%, 33%, 0%, 99%.
Why use #010203 Black Hole instead of pure black?
Pure black can sometimes appear too harsh or flat on digital screens, causing eye strain. Black Hole #010203 includes subtle ashy undertones that provide a softer, more sophisticated look while maintaining the high contrast needed for excellent readability.
What colors pair well with Black Hole #010203?
Because Black Hole #010203 acts as a neutral anchor, it pairs beautifully with high-contrast whites for typography or vibrant, saturated accents like electric blue or citrus yellow. It creates a professional, grounded frame that allows brighter interface elements to pop.
Is Black Hole readable on white or black?
Black Hole has a 20.76:1 contrast ratio on white and 1.01:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.