#0421B4 Color

#0421B4 is rgb(4, 33, 180) in RGB and hsl(230, 96%, 36%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#0421B4

HEX#0421B4

RGBrgb(4, 33, 180)

HSLhsl(230, 96%, 36%)

HSVhsv(230, 98%, 71%)

OKLCHoklch(37.4% 0.223 264.6)

CMYKcmyk(98%, 82%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #0421B4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.16:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.88:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #0421B4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#0421B4 Complementary#B49704 Analogous#0479B4 Analogous#3E04B4 Triadic#B40421 Triadic#21B404

Tints & Shades

Lighter tints and darker shades of #0421B4, useful for hover states, backgrounds, and text variants.

Tints

#0529E1 #193FFA #4664FB #6E86FC #9BABFD #C8D1FE

Shades

#031C9B #031987 #02146E #02115A #010C41 #01082D

Use #0421B4 in Our Tools

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