#1B28BB Color

#1B28BB is rgb(27, 40, 187) in RGB and hsl(235, 75%, 42%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1B28BB

HEX#1B28BB

RGBrgb(27, 40, 187)

HSLhsl(235, 75%, 42%)

HSVhsv(235, 86%, 73%)

OKLCHoklch(39.7% 0.222 267.7)

CMYKcmyk(86%, 79%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B28BB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.16:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.07:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B28BB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B28BB Complementary#BBAE1B Analogous#1B78BB Analogous#5E1BBB Triadic#BB1B28 Triadic#28BB1B

Tints & Shades

Lighter tints and darker shades of #1B28BB, useful for hover states, backgrounds, and text variants.

Tints

#2030DF #4451E4 #6772E9 #8B93EE #AFB4F4 #D2D6F9

Shades

#1823A5 #141E8A #111974 #0D1359 #0A0E43 #060928

Use #1B28BB in Our Tools

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