#1B379D Color

#1B379D is rgb(27, 55, 157) in RGB and hsl(227, 71%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B379D

HEX#1B379D

RGBrgb(27, 55, 157)

HSLhsl(227, 71%, 36%)

HSVhsv(227, 83%, 62%)

OKLCHoklch(38.9% 0.169 266.3)

CMYKcmyk(83%, 65%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B379D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

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

TextBlack text2.08:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B379D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B379D Complementary#9D811B Analogous#1B789D Analogous#401B9D Triadic#9D1B37 Triadic#379D1B

Tints & Shades

Lighter tints and darker shades of #1B379D, useful for hover states, backgrounds, and text variants.

Tints

#2145C4 #365BDD #5E7BE4 #8197EA #A8B7F0 #CFD8F7

Shades

#172F87 #142976 #102260 #0D1B4E #0A1439 #070E27

Use #1B379D in Our Tools

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