#1B53FE Color
#1B53FE is rgb(27, 83, 254) in RGB and hsl(225, 99%, 55%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.
#1B53FE
HEX
#1B53FERGB
rgb(27, 83, 254)HSL
hsl(225, 99%, 55%)HSV
hsv(225, 89%, 100%)OKLCH
oklch(53.2% 0.258 264.4)CMYK
cmyk(89%, 67%, 0%, 0%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1B53FE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text5.65:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.72:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #1B53FE based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1B53FE, useful for hover states, backgrounds, and text variants.