#04B5FB Color
#04B5FB is rgb(4, 181, 251) in RGB and hsl(197, 97%, 50%) in HSL. The closest CSS named color is DeepSkyBlue. Black text is most readable on this background.
#04B5FB
HEX
#04B5FBRGB
rgb(4, 181, 251)HSL
hsl(197, 97%, 50%)HSV
hsv(197, 98%, 98%)OKLCH
oklch(73% 0.155 235.5)CMYK
cmyk(98%, 28%, 0%, 2%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #04B5FB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.33:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.01:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #04B5FB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #04B5FB, useful for hover states, backgrounds, and text variants.