#1B57B1 Color

#1B57B1 is rgb(27, 87, 177) in RGB and hsl(216, 74%, 40%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#1B57B1

HEX#1B57B1

RGBrgb(27, 87, 177)

HSLhsl(216, 74%, 40%)

HSVhsv(216, 85%, 69%)

OKLCHoklch(47.3% 0.156 259)

CMYKcmyk(85%, 51%, 0%, 31%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B57B1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.9:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.04:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B57B1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B57B1 Complementary#B1751B Analogous#1BA2B1 Analogous#2A1BB1 Triadic#B11B57 Triadic#57B11B

Tints & Shades

Lighter tints and darker shades of #1B57B1, useful for hover states, backgrounds, and text variants.

Tints

#2068D5 #4081E2 #6499E8 #87B0ED #ABC7F2 #D3E2F8

Shades

#174C9B #144185 #11366F #0D2954 #091E3E #061428

Use #1B57B1 in Our Tools

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