#1F3F51 Color
#1F3F51 is rgb(31, 63, 81) in RGB and hsl(202, 45%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#1F3F51
HEX
#1F3F51RGB
rgb(31, 63, 81)HSL
hsl(202, 45%, 22%)HSV
hsv(202, 62%, 32%)OKLCH
oklch(35.2% 0.049 235.2)CMYK
cmyk(62%, 22%, 0%, 68%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1F3F51 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.12:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.89:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1F3F51 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1F3F51, useful for hover states, backgrounds, and text variants.