DCI-P3, or DCI/P3, is a common RGB color space for digital movie projection from the American film industry.


Early History
In the CIE 1931 xy chromaticity diagram the DCI-P3 color space covers 45.5% of all chromaticities and 86.9% of Pointer’s gamut. In the CIE 1976 u’v’ chromaticity diagram the coverage is 41.7% and 85.5% respectively. The blue primary color is the same as sRGB and Adobe RGB; the red primary color is a monochromatic light source and has a wavelength of 615 nm. DCI-P3 was defined by the Digital Cinema Initiatives (DCI) organization and published by the Society of Motion Picture and Television Engineers (SMPTE) in SMPTE EG 432-1 and SMPTE RP 431-2. As a step towards the implementation of the significantly wider Rec. 2020 it is expected to see adoption in television systems and in the home cinema domain.

On November 10, 2010, SMPTE published SMPTE EG 432-1:2010.

On April 6, 2011, SMPTE published SMPTE RP 431-2:2011.

In September 2015, Apple’s iMac desktop became the first consumer computer with a built-in wide-gamut display, supporting the P3 color space.

On January 4, 2016, the UHD Alliance announced their specifications for Ultra HD Premium which requires devices to display at least 90% of the DCI P3 color space.

In August 2016, the Samsung Galaxy Note 7 shipped with an HDR display with 100% DCI-P3 color gamut.

In September 2016, Apple’s 9.7-inch iPad Pro shipped with a display supporting P3 color.

In September 2016, Apple’s iPhone 7 shipped with a wide-gamut display, supporting P3.

In October 2016, Microsoft’s Surface Studio desktop computer was unveiled, featuring P3 wide color.

In October 2016, Apple’s new MacBook Pro notebook was released with a wide-gamut display, featuring support for P3.

In April 2017, Samsung released the Galaxy S8, which supports P3 wide color.

In June 2017, Apple unveiled the second generation of the 12.9-inch iPad Pro and the new 10.5-inch iPad Pro, both shipped with a display supporting P3 color.

In June 2017, OnePlus 5 was released with this feature.

In September 2017, Apple unveiled the iPhone 8 and 8 Plus with support for P3 color.They also unveiled the iPhone X which also covers 103% of P3 color.

In October, 2017, Google released the Pixel 2, which covers 95% of the P3 color standard, and the Pixel 2 XL, which covers 100%.

In November 2017, HTC announced HTC U11+ phone with DCI-P3 color support .

In December 2017, Apple released iMac Pro, featuring P3 wide color.

System colorimetry

RGB color space parameters
Color space White point Primary colors
xW yW xR yR xG yG xB yB
DCI-P3 D65 0.3127 0.3290 0.680 0.320 0.265 0.690 0.150 0.060
DCI-P3 Theater 0.314 0.351 0.680 0.320 0.265 0.690 0.150 0.060

DCI-P3 has a 25% larger color gamut than sRGB.