#1537A8 Color

#1537A8 is rgb(21, 55, 168) in RGB and hsl(226, 78%, 37%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1537A8

HEX#1537A8

RGBrgb(21, 55, 168)

HSLhsl(226, 78%, 37%)

HSVhsv(226, 87%, 66%)

OKLCHoklch(39.8% 0.184 265.2)

CMYKcmyk(87%, 67%, 0%, 34%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1537A8 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.8:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.14:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1537A8 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1537A8 Complementary#A88615 Analogous#1581A8 Analogous#3C15A8 Triadic#A81537 Triadic#37A815

Tints & Shades

Lighter tints and darker shades of #1537A8, useful for hover states, backgrounds, and text variants.

Tints

#1A45D1 #2E59E5 #5779EA #809AEF #A9BAF4 #CDD7F9

Shades

#123091 #102A7F #0D2268 #0A1B52 #07133B #050D29

Use #1537A8 in Our Tools

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