#51738A Color
#51738A is rgb(81, 115, 138) in RGB and hsl(204, 26%, 43%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.
#51738A
HEX
#51738ARGB
rgb(81, 115, 138)HSL
hsl(204, 26%, 43%)HSV
hsv(204, 41%, 54%)OKLCH
oklch(53.9% 0.053 238.6)CMYK
cmyk(41%, 17%, 0%, 46%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51738A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text5.04:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text4.17:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #51738A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51738A, useful for hover states, backgrounds, and text variants.