#12303B Color

#12303B is rgb(18, 48, 59) in RGB and hsl(196, 53%, 15%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#12303B

HEX#12303B

RGBrgb(18, 48, 59)

HSLhsl(196, 53%, 15%)

HSVhsv(196, 69%, 23%)

OKLCHoklch(29.2% 0.041 224.9)

CMYKcmyk(69%, 19%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #12303B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text13.89:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.51:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #12303B based on color wheel relationships. Click any swatch for its full breakdown.

Base#12303B Complementary#3B1D12 Analogous#123B31 Analogous#121B3B Triadic#3B1230 Triadic#303B12

Tints & Shades

Lighter tints and darker shades of #12303B, useful for hover states, backgrounds, and text variants.

Tints

#205669 #2F7C98 #40A1C4 #6BB6D1 #9ACDE0 #C8E4EE

Shades

#102933 #0E262F #0C2027 #0B1D23 #08161B #071317

Use #12303B in Our Tools

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