#1B3A88 Color

#1B3A88 is rgb(27, 58, 136) in RGB and hsl(223, 67%, 32%) in HSL. The closest CSS named color is MidnightBlue. White text is most readable on this background.

#1B3A88

HEX#1B3A88

RGBrgb(27, 58, 136)

HSLhsl(223, 67%, 32%)

HSVhsv(223, 80%, 53%)

OKLCHoklch(37.6% 0.136 264.4)

CMYKcmyk(80%, 57%, 0%, 47%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3A88 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.46:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.01:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3A88 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3A88 Complementary#88691B Analogous#1B7188 Analogous#331B88 Triadic#881B3A Triadic#3A881B

Tints & Shades

Lighter tints and darker shades of #1B3A88, useful for hover states, backgrounds, and text variants.

Tints

#234AAF #2E5ED6 #557BDD #7F9CE6 #A6BAED #D0DBF6

Shades

#183377 #142B66 #112455 #0D1D44 #0A1633 #070E22

Use #1B3A88 in Our Tools

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