#1B00CC Color

#1B00CC is rgb(27, 0, 204) in RGB and hsl(248, 100%, 40%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1B00CC

HEX#1B00CC

RGBrgb(27, 0, 204)

HSLhsl(248, 100%, 40%)

HSVhsv(248, 100%, 80%)

OKLCHoklch(38.9% 0.26 267.8)

CMYKcmyk(87%, 100%, 0%, 20%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B00CC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.95:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.92:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B00CC based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B00CC Complementary#B1CC00 Analogous#004BCC Analogous#8100CC Triadic#CC1B00 Triadic#00CC1B

Tints & Shades

Lighter tints and darker shades of #1B00CC, useful for hover states, backgrounds, and text variants.

Tints

#2100F5 #4124FF #644DFF #8875FF #AB9EFF #D3CCFF

Shades

#1800B3 #140099 #110080 #0D0061 #0A0047 #06002E

Use #1B00CC in Our Tools

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