#1B579D Color

#1B579D is rgb(27, 87, 157) in RGB and hsl(212, 71%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B579D

HEX#1B579D

RGBrgb(27, 87, 157)

HSLhsl(212, 71%, 36%)

HSVhsv(212, 83%, 62%)

OKLCHoklch(45.8% 0.129 255.1)

CMYKcmyk(83%, 45%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B579D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.25:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.9:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B579D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B579D Complementary#9D601B Analogous#1B999D Analogous#1F1B9D Triadic#9D1B57 Triadic#579D1B

Tints & Shades

Lighter tints and darker shades of #1B579D, useful for hover states, backgrounds, and text variants.

Tints

#216DC4 #3684DD #5E9CE4 #81B2EA #A8CAF0 #CFE2F7

Shades

#174B87 #144276 #103560 #0D2C4E #0A2039 #071627

Use #1B579D in Our Tools

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