#153D51 Color
#153D51 is rgb(21, 61, 81) in RGB and hsl(200, 59%, 20%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#153D51
HEX
#153D51RGB
rgb(21, 61, 81)HSL
hsl(200, 59%, 20%)HSV
hsv(200, 74%, 32%)OKLCH
oklch(34.2% 0.056 233.7)CMYK
cmyk(74%, 25%, 0%, 68%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #153D51 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.55:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.82:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #153D51 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #153D51, useful for hover states, backgrounds, and text variants.