#153C51 Color
#153C51 is rgb(21, 60, 81) in RGB and hsl(201, 59%, 20%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#153C51
HEX
#153C51RGB
rgb(21, 60, 81)HSL
hsl(201, 59%, 20%)HSV
hsv(201, 74%, 32%)OKLCH
oklch(33.9% 0.057 235.6)CMYK
cmyk(74%, 26%, 0%, 68%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #153C51 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.69:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.8:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #153C51 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #153C51, useful for hover states, backgrounds, and text variants.