What is the hex code for #660000?

The hex code for #660000 is #660000. In RGB that is rgb(102, 0, 0).

What is the CMYK value of #660000?

#660000 converts to CMYK cmyk(0%, 100%, 100%, 60%) for print, and OKLCH oklch(0.3204 0.1315 29.23) for modern color workflows.

The closest Pantone-style match to #660000 is PANTONE 462 C (Brown). This is an approximation labeled "closest match", not an official Pantone value.

#660000 hex code is #660000. Below are all common color formats, the nearest CSS named color, and the closest Pantone-style match.

#660000rgb(102, 0, 0)

#660000 is a hex color. Here are its RGB, HSL, HSV, CMYK and OKLCH values, the nearest CSS named color, and the closest Pantone-style match.

Nearest CSS named color	maroon
Closest Pantone-style match	PANTONE 462 C · Brown
Readable text color on this background	#FFFFFF

Pantone result is the nearest entry in our approximation set and is labeled "closest match" — it is not an official Pantone color value.

#660000nearest CSS color: maroon

HEX#660000

RGBrgb(102, 0, 0)

HSLhsl(0, 100%, 20%)

HSVhsv(0, 100%, 40%)

CMYKcmyk(0%, 100%, 100%, 60%)

OKLCHoklch(0.3204 0.1315 29.23)

Nearest CSS named color

maroon

Closest Pantone-style match

PANTONE 462 C · Brown

Pantone match is an approximation labeled "closest match" — not an official Pantone value.

Get this color as JSON (developer API)

curl "https://color.wrapper-agency.com/api/v1/color?value=%23660000"

Free color-conversion API — no key during beta. Returns all formats plus nearest named and closest Pantone-style match.

What is the #660000 hex code?: #660000 is #660000.
What is #660000 in RGB and CMYK?: #660000 is rgb(102, 0, 0) in RGB and cmyk(0%, 100%, 100%, 60%) in CMYK.
Is this an official Pantone value?: No. HueKit shows the closest match from an approximation set for guidance only. For production print, confirm against an official Pantone guide.