#21403F Color

#21403F is rgb(33, 64, 63) in RGB and hsl(178, 32%, 19%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#21403F

HEX#21403F

RGBrgb(33, 64, 63)

HSLhsl(178, 32%, 19%)

HSVhsv(178, 48%, 25%)

OKLCHoklch(34.7% 0.037 192.9)

CMYKcmyk(48%, 0%, 2%, 75%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21403F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.23:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.87:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #21403F based on color wheel relationships. Click any swatch for its full breakdown.

Base#21403F Complementary#402122 Analogous#21402F Analogous#213140 Triadic#3F2140 Triadic#403F21

Tints & Shades

Lighter tints and darker shades of #21403F, useful for hover states, backgrounds, and text variants.

Tints

#346563 #498D8B #61AEAB #86C1BF #ABD4D2 #D3E8E8

Shades

#1D3938 #1A3232 #172C2B #112221 #0E1B1A #0A1414

Use #21403F in Our Tools

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