#1B303B Color

#1B303B is rgb(27, 48, 59) in RGB and hsl(201, 37%, 17%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B303B

HEX#1B303B

RGBrgb(27, 48, 59)

HSLhsl(201, 37%, 17%)

HSVhsv(201, 54%, 23%)

OKLCHoklch(29.7% 0.034 232.3)

CMYKcmyk(54%, 19%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B303B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text13.7:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.53:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B303B based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B303B Complementary#3B271B Analogous#1B3B37 Analogous#1B203B Triadic#3B1B30 Triadic#303B1B

Tints & Shades

Lighter tints and darker shades of #1B303B, useful for hover states, backgrounds, and text variants.

Tints

#2F5265 #40718C #5792B2 #7EABC4 #A8C6D7 #CEDFE9

Shades

#182A34 #15252D #121F26 #101C23 #0D171C #0A1115

Use #1B303B in Our Tools

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