#1B313B Color

#1B313B is rgb(27, 49, 59) in RGB and hsl(199, 37%, 17%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B313B

HEX#1B313B

RGBrgb(27, 49, 59)

HSLhsl(199, 37%, 17%)

HSVhsv(199, 54%, 23%)

OKLCHoklch(29.9% 0.033 228.7)

CMYKcmyk(54%, 17%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B313B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text13.56:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.55:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B313B based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B313B Complementary#3B251B Analogous#1B3B36 Analogous#1B213B Triadic#3B1B31 Triadic#313B1B

Tints & Shades

Lighter tints and darker shades of #1B313B, useful for hover states, backgrounds, and text variants.

Tints

#2F5465 #40748C #5795B2 #7EADC4 #A8C8D7 #CEE0E9

Shades

#182B34 #15262D #122026 #101D23 #0D171C #0A1115

Use #1B313B in Our Tools

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