#90CAF9 Hex Color

Pastel blue for open, calm designs

Hex color #90caf9 graphic
A light, cool blue with a soft pastel finish, #90caf9 feels fresh, open, and dependable without becoming vivid. Its gentle saturation suits healthcare, finance, technology, and spring-themed layouts, especially as a broad UI background. Pair it with navy or warm charcoal for structure. Black text remains highly legible, with about 12:1 contrast. The hex code is #90caf9.

Questions about #90caf9

What is #90caf9 in RGB, HSL and CMYK?
In RGB, #90caf9 is rgb(144, 202, 249), in HSL hsl(207, 90%, 77%) and in CMYK 42%, 19%, 0%, 2%.
What colors pair well with #90caf9?
Pair #90caf9 with navy or charcoal to add structure, while soft gray and muted neutrals keep the palette calm; warmer accents create contrast without overwhelming its light, pastel blue character.
Does #90caf9 look warm or cool?
#90caf9 reads as a cool blue because its hue leans toward cyan, while its light pastel finish creates an airy impression rather than the warmth associated with yellow or red undertones. It brings a fresh, open feel to interfaces.
Is #90caf9 readable on white or black?
#90caf9 has a 1.74:1 contrast ratio on white and 12.00:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.