#263B3C Hex Color
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The hex code #263b3c is a dark, muted cyan with gray-green undertones and a matte finish. Its low lightness creates a serious, mysterious mood for technology, aerospace, and moody interface designs. Use it as a dominant dark-mode background or supporting tone, pairing it with warm ivory for readable contrast. White text reaches about 11.8:1 contrast, meeting WCAG AA for small body text.
Questions about #263b3c
What is #263b3c in RGB, HSL and CMYK?
In RGB, #263b3c is rgb(38, 59, 60), in HSL hsl(183, 22%, 19%) and in CMYK 37%, 2%, 0%, 76%.
What colors pair well with #263b3c?
The strongest pairings for #263b3c are warm ivory, pale blue, muted teal, and restrained copper accents, which soften its dark cyan base while preserving a serious, modern mood for interfaces, editorial layouts, and technology-focused branding. Lighter gray-green tints also create a subtle monochromatic scheme.
Does #263b3c feel warm or cool?
#263b3c reads as a cool color because its dark cyan base and gray-green undertones lean blue-green rather than yellow or red. Its low lightness adds a quiet, grounded quality, making it feel more restrained and mysterious than lively or energetic.
Is #263b3c readable on white or black?
#263b3c has a 11.84:1 contrast ratio on white and 1.77:1 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.