#1B4564 Color
#1B4564 is rgb(27, 69, 100) in RGB and hsl(205, 57%, 25%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#1B4564
HEX
#1B4564RGB
rgb(27, 69, 100)HSL
hsl(205, 57%, 25%)HSV
hsv(205, 73%, 39%)OKLCH
oklch(37.6% 0.071 243.7)CMYK
cmyk(73%, 31%, 0%, 61%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1B4564 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text10.09:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.08:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1B4564 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1B4564, useful for hover states, backgrounds, and text variants.