#1B283C Color

#1B283C is rgb(27, 40, 60) in RGB and hsl(216, 38%, 17%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B283C

HEX#1B283C

RGBrgb(27, 40, 60)

HSLhsl(216, 38%, 17%)

HSVhsv(216, 55%, 24%)

OKLCHoklch(27.5% 0.041 258.8)

CMYKcmyk(55%, 33%, 0%, 76%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B283C background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text14.84:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.42:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B283C based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B283C Complementary#3C2F1B Analogous#1B393C Analogous#1E1B3C Triadic#3C1B28 Triadic#283C1B

Tints & Shades

Lighter tints and darker shades of #1B283C, useful for hover states, backgrounds, and text variants.

Tints

#2E4466 #3F5E8D #567BB3 #7D99C5 #A7BAD7 #CED9E9

Shades

#182335 #151F2E #111A27 #101823 #0D131C #090E15

Use #1B283C in Our Tools

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