#123A3F Color

#123A3F is rgb(18, 58, 63) in RGB and hsl(187, 56%, 16%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#123A3F

HEX#123A3F

RGBrgb(18, 58, 63)

HSLhsl(187, 56%, 16%)

HSVhsv(187, 71%, 25%)

OKLCHoklch(32.3% 0.045 206.7)

CMYKcmyk(71%, 8%, 0%, 75%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #123A3F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.33:1AA normal ✓AA large ✓AAA normal ✓

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

Color Harmonies

Colors that pair well with #123A3F based on color wheel relationships. Click any swatch for its full breakdown.

Base#123A3F Complementary#401712 Analogous#12402E Analogous#122340 Triadic#40123A Triadic#3A4012

Tints & Shades

Lighter tints and darker shades of #123A3F, useful for hover states, backgrounds, and text variants.

Tints

#1F666F #2C8E9B #3CB8C8 #6CC9D5 #9CDBE3 #C7EBEF

Shades

#103338 #0F2F34 #0C282C #0A2124 #081A1C #071618

Use #123A3F in Our Tools

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