#1528B7 Color

#1528B7 is rgb(21, 40, 183) in RGB and hsl(233, 79%, 40%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1528B7

HEX#1528B7

RGBrgb(21, 40, 183)

HSLhsl(233, 79%, 40%)

HSVhsv(233, 89%, 72%)

OKLCHoklch(39.1% 0.218 266.7)

CMYKcmyk(89%, 78%, 0%, 28%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1528B7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.4:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.02:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1528B7 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1528B7 Complementary#B7A415 Analogous#1579B7 Analogous#5315B7 Triadic#B71528 Triadic#28B715

Tints & Shades

Lighter tints and darker shades of #1528B7, useful for hover states, backgrounds, and text variants.

Tints

#1A30DB #3B4FE8 #5F70EC #8490F1 #A8B1F5 #D1D6FA

Shades

#1323A0 #101E89 #0D1972 #0A1357 #070E40 #050929

Use #1528B7 in Our Tools

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