#151617 Hex Color
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#151617 is a very dark grey with a faint cool cast, sitting just above black. That near-black lightness makes it a strong base for dark mode UI, where pure black feels harsh and white text reads at roughly 18:1 contrast. Pair it with warm amber or muted teal accents to keep moody designs from going flat.
Questions about #151617
What is #151617 in RGB, HSL and CMYK?
In RGB, #151617 is rgb(21, 22, 23), in HSL hsl(210, 5%, 9%) and in CMYK 9%, 4%, 0%, 91%. Browse more shades of black with names and hex codes.
What colors pair well with #151617?
Warm accents like amber, burnt orange, and muted teal keep #151617 from reading flat. Its low saturation also lets off-whites and soft greys sit cleanly on top as text and borders.
Is #151617 readable on white or black?
#151617 has a 18.11:1 contrast ratio on white and 1.15:1 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.