#21577D Color

#21577D is rgb(33, 87, 125) in RGB and hsl(205, 58%, 31%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#21577D

HEX#21577D

RGBrgb(33, 87, 125)

HSLhsl(205, 58%, 31%)

HSVhsv(205, 74%, 49%)

OKLCHoklch(43.9% 0.084 242.9)

CMYKcmyk(74%, 30%, 0%, 51%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21577D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.71:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.72:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #21577D based on color wheel relationships. Click any swatch for its full breakdown.

Base#21577D Complementary#7D4721 Analogous#217D75 Analogous#21297D Triadic#7D2157 Triadic#577D21

Tints & Shades

Lighter tints and darker shades of #21577D, useful for hover states, backgrounds, and text variants.

Tints

#2C73A5 #368CC9 #5EA3D4 #82B8DE #AACFE9 #CFE3F2

Shades

#1D4C6D #19405D #14354D #112D40 #0D2230 #091620

Use #21577D in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex