#1B243B Color

#1B243B is rgb(27, 36, 59) in RGB and hsl(223, 37%, 17%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B243B

HEX#1B243B

RGBrgb(27, 36, 59)

HSLhsl(223, 37%, 17%)

HSVhsv(223, 54%, 23%)

OKLCHoklch(26.4% 0.045 267)

CMYKcmyk(54%, 39%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B243B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text15.42:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.36:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B243B based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B243B Complementary#3B321B Analogous#1B343B Analogous#221B3B Triadic#3B1B24 Triadic#243B1B

Tints & Shades

Lighter tints and darker shades of #1B243B, useful for hover states, backgrounds, and text variants.

Tints

#2F3E65 #40568C #5771B2 #7E92C4 #A8B5D7 #CED6E9

Shades

#182034 #151C2D #121826 #101523 #0D111C #0A0D15

Use #1B243B in Our Tools

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