#003B42 Hex Color

Online color picker to view shades, tints, color codes, and complementary colors

Hex color #003b42 graphic
Dark and heavily muted, #003b42 is a cool cyan with a smoky blue-green cast. Its low lightness gives interfaces a serious, mysterious mood, while restrained saturation keeps it from feeling harsh. Use this hex code as a dominant dark-mode background with white text at about 12.3:1 contrast, exceeding WCAG AA for body copy. Pale coral adds warmth.

Questions about #003b42

What is #003b42 in RGB, HSL and CMYK?
In RGB, #003b42 is rgb(0, 59, 66), in HSL hsl(186, 100%, 13%) and in CMYK 100%, 11%, 0%, 74%. Browse more shades of blue with names and hex codes.
What colors pair well with #003b42?
Pale coral adds warm contrast to #003b42, while white keeps text crisp and readable. Softer sand or muted teal accents can create a balanced palette without overpowering its smoky blue-green character.
Where does #003b42 work best in a design?
#003b42 works well as a dark-mode background, navigation bar, or focused dashboard surface because its low lightness creates a serious backdrop without the starkness of pure black. Pair it with pale text and warmer accents for hierarchy.
Is #003b42 readable on white or black?
#003b42 has a 12.32:1 contrast ratio on white and 1.70:1 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.