#1B233B Color

#1B233B is rgb(27, 35, 59) in RGB and hsl(225, 37%, 17%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B233B

HEX#1B233B

RGBrgb(27, 35, 59)

HSLhsl(225, 37%, 17%)

HSVhsv(225, 54%, 23%)

OKLCHoklch(26.1% 0.047 269)

CMYKcmyk(54%, 41%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B233B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text15.55:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.35:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B233B based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B233B Complementary#3B331B Analogous#1B333B Analogous#231B3B Triadic#3B1B23 Triadic#233B1B

Tints & Shades

Lighter tints and darker shades of #1B233B, useful for hover states, backgrounds, and text variants.

Tints

#2F3C65 #40538C #576EB2 #7E8FC4 #A8B3D7 #CED5E9

Shades

#181F34 #151B2D #121726 #101523 #0D111C #0A0C15

Use #1B233B in Our Tools

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