#0021DB Color

#0021DB is rgb(0, 33, 219) in RGB and hsl(231, 100%, 43%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#0021DB

HEX#0021DB

RGBrgb(0, 33, 219)

HSLhsl(231, 100%, 43%)

HSVhsv(231, 100%, 86%)

OKLCHoklch(42.2% 0.266 264.2)

CMYKcmyk(100%, 85%, 0%, 14%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #0021DB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.37:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.24:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #0021DB based on color wheel relationships. Click any swatch for its full breakdown.

Base#0021DB Complementary#DBBA00 Analogous#008FDB Analogous#4D00DB Triadic#DB0021 Triadic#21DB00

Tints & Shades

Lighter tints and darker shades of #0021DB, useful for hover states, backgrounds, and text variants.

Tints

#052BFF #2E4DFF #5770FF #7A8EFF #A3B1FF #CCD4FF

Shades

#001CBD #0018A3 #001485 #00106B #000B4D #000833

Use #0021DB in Our Tools

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