#123A40 Color

#123A40 is rgb(18, 58, 64) in RGB and hsl(188, 56%, 16%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#123A40

HEX#123A40

RGBrgb(18, 58, 64)

HSLhsl(188, 56%, 16%)

HSVhsv(188, 72%, 25%)

OKLCHoklch(32.3% 0.045 208.9)

CMYKcmyk(72%, 9%, 0%, 75%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #123A40 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.32:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.7:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #123A40 based on color wheel relationships. Click any swatch for its full breakdown.

Base#123A40 Complementary#401812 Analogous#12402F Analogous#122340 Triadic#40123A Triadic#3A4012

Tints & Shades

Lighter tints and darker shades of #123A40, useful for hover states, backgrounds, and text variants.

Tints

#1F656F #2C8C9B #3CB5C8 #6CC7D5 #9CD9E3 #C7EAEF

Shades

#103238 #0F2F34 #0C282C #0A2024 #08191C #071618

Use #123A40 in Our Tools

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