#1F33A8 Color

#1F33A8 is rgb(31, 51, 168) in RGB and hsl(231, 69%, 39%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1F33A8

HEX#1F33A8

RGBrgb(31, 51, 168)

HSLhsl(231, 69%, 39%)

HSVhsv(231, 82%, 66%)

OKLCHoklch(39.5% 0.187 268.1)

CMYKcmyk(82%, 70%, 0%, 34%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1F33A8 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.01:1AA normal ✓AA large ✓AAA normal ✓

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

Color Harmonies

Colors that pair well with #1F33A8 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1F33A8 Complementary#A8931F Analogous#1F78A8 Analogous#4F1FA8 Triadic#A81F33 Triadic#33A81F

Tints & Shades

Lighter tints and darker shades of #1F33A8, useful for hover states, backgrounds, and text variants.

Tints

#253ECB #4159DC #6477E3 #8B99EA #ADB7F0 #D4D9F7

Shades

#1B2D93 #17267D #132067 #0F1952 #0B123C #070C27

Use #1F33A8 in Our Tools

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