#1B515A Color

#1B515A is rgb(27, 81, 90) in RGB and hsl(189, 54%, 23%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B515A

HEX#1B515A

RGBrgb(27, 81, 90)

HSLhsl(189, 54%, 23%)

HSVhsv(189, 70%, 35%)

OKLCHoklch(40.4% 0.057 210.5)

CMYKcmyk(70%, 10%, 0%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B515A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.86:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.37:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B515A based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B515A Complementary#5A241B Analogous#1B5A44 Analogous#1B315A Triadic#5A1B51 Triadic#515A1B

Tints & Shades

Lighter tints and darker shades of #1B515A, useful for hover states, backgrounds, and text variants.

Tints

#287786 #349BAD #4EB8CA #79C9D7 #A5DBE4 #CCEAF0

Shades

#17464F #153F47 #12353B #0E2A2F #0B2023 #08191B

Use #1B515A in Our Tools

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