#1B04B4 Color
#1B04B4 is rgb(27, 4, 180) in RGB and hsl(248, 96%, 36%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.
#1B04B4
HEX
#1B04B4RGB
rgb(27, 4, 180)HSL
hsl(248, 96%, 36%)HSV
hsv(248, 98%, 71%)OKLCH
oklch(35.8% 0.234 268.9)CMYK
cmyk(85%, 98%, 0%, 29%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1B04B4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text12.19:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.72:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1B04B4 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1B04B4, useful for hover states, backgrounds, and text variants.