#153F5B Color
#153F5B is rgb(21, 63, 91) in RGB and hsl(204, 63%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#153F5B
HEX
#153F5BRGB
rgb(21, 63, 91)HSL
hsl(204, 63%, 22%)HSV
hsv(204, 77%, 36%)OKLCH
oklch(35.3% 0.067 241.6)CMYK
cmyk(77%, 31%, 0%, 64%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #153F5B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.09:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.89:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #153F5B based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #153F5B, useful for hover states, backgrounds, and text variants.