991111

colorschemedesigner.com

http://colorschemedesigner.com/csd-3.5/#0011Tssjdw0w0

5 colors: #991111 #732626 #630606 #CC4444 #CC6868

Note: For the 4th and 5th the R-values are constant.

630606

732626

991111

CC4444

CC6868

paletton.com

http://paletton.com/#uid=1000u0kssjdk2qYoTnkyBe-Kh9i

5 colors: #BA2929 #D75050 #991111 #740000 #4A0000

4A0000

740000

991111

BA2929

D75050

color-hex.com

http://www.color-hex.com/color/991111

11 colors: shades: #991111 #890f0f #7a0d0d #6b0b0b #5b0a0a #4c0808 #3d0606 #2d0505 #1e0303 #0f0101 #000000
11 colors: tints: #991111 #a32828 #ad4040 #b75858 #c17070 #cc8888 #d69f9f #e0b7b7 #eacfcf #f4e7e7 #ffffff
7 colors: monochromatic: #540909 #6b0c0c #820e0e #991111 #b01414 #c71616 #de1919

540909

6b0c0c

820e0e

991111

b01414

c71616

de1919