#151718 Hex Color
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#151718 is a very dark, muted grey with a slight cool, ashy cast. Its low lightness creates a serious, mysterious mood and gives layouts a stable, professional base. Use it as a dominant background in interfaces, typography, or architecture, with white text for strong readability at roughly 18:1 contrast. The hex code is #151718.
Questions about #151718
What is #151718 in RGB, HSL and CMYK?
In RGB, #151718 is rgb(21, 23, 24), in HSL hsl(200, 7%, 9%) and in CMYK 12%, 4%, 0%, 91%.
What colors pair well with #151718?
Pair #151718 with white, pale gray, and muted cool accents for clean contrast, while warm tones such as terracotta soften its serious, ashy character and add visual energy without overwhelming the layout.
What mood does #151718 create?
#151718 creates a serious, mysterious mood because its very low lightness and cool, ashy cast feel restrained, stable, and distant, making it suitable for focused interfaces, editorial layouts, typography, and architectural surfaces.
Is #151718 readable on white or black?
#151718 has a 17.98:1 contrast ratio on white and 1.16:1 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.