#1B535A Color

#1B535A is rgb(27, 83, 90) in RGB and hsl(187, 54%, 23%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B535A

HEX#1B535A

RGBrgb(27, 83, 90)

HSLhsl(187, 54%, 23%)

HSVhsv(187, 70%, 35%)

OKLCHoklch(40.9% 0.058 206.8)

CMYKcmyk(70%, 8%, 0%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B535A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.64:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.43:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B535A based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B535A Complementary#5A221B Analogous#1B5A42 Analogous#1B335A Triadic#5A1B53 Triadic#535A1B

Tints & Shades

Lighter tints and darker shades of #1B535A, useful for hover states, backgrounds, and text variants.

Tints

#287B86 #349FAD #4EBCCA #79CCD7 #A5DDE4 #CCECF0

Shades

#17484F #154147 #12363B #0E2B2F #0B2023 #08191B

Use #1B535A in Our Tools

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