#0303B5 Color

#0303B5 is rgb(3, 3, 181) in RGB and hsl(240, 97%, 36%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#0303B5

HEX#0303B5

RGBrgb(3, 3, 181)

HSLhsl(240, 97%, 36%)

HSVhsv(240, 98%, 71%)

OKLCHoklch(35.2% 0.241 264.5)

CMYKcmyk(98%, 98%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #0303B5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.47:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.68:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #0303B5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#0303B5 Complementary#B5B503 Analogous#035CB5 Analogous#5C03B5 Triadic#B50303 Triadic#03B503

Tints & Shades

Lighter tints and darker shades of #0303B5, useful for hover states, backgrounds, and text variants.

Tints

#0303E2 #1818FB #4545FC #6D6DFD #9B9BFD #C8C8FE

Shades

#02029C #020288 #02026F #01015A #010141 #01012D

Use #0303B5 in Our Tools

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