#00288F Color

#00288F is rgb(0, 40, 143) in RGB and hsl(223, 100%, 28%) in HSL. The closest CSS named color is DarkBlue. White text is most readable on this background.

#00288F

HEX#00288F

RGBrgb(0, 40, 143)

HSLhsl(223, 100%, 28%)

HSVhsv(223, 100%, 56%)

OKLCHoklch(34% 0.173 263.1)

CMYKcmyk(100%, 72%, 0%, 44%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #00288F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.35:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.7:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #00288F based on color wheel relationships. Click any swatch for its full breakdown.

Base#00288F Complementary#8F6600 Analogous#00708F Analogous#1F008F Triadic#8F0028 Triadic#288F00

Tints & Shades

Lighter tints and darker shades of #00288F, useful for hover states, backgrounds, and text variants.

Tints

#0037C2 #0045F5 #2965FF #5C8AFF #8FAFFF #C2D3FF

Shades

#002480 #001E6B #001A5C #001447 #001038 #000A24

Use #00288F in Our Tools

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