#400C11

#400C11

Color Values

HEX

#400C11

RGB

64, 12, 17

HSL

354.2, 68.4%, 14.9%

HSV

354.2, 81.2%, 25.1%

CMYK

0.0%, 81.2%, 73.4%, 74.9%

OKLCH

0.2505 0.0796 19.9

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#400C11

#0C403B

Analogous

#400C2B

#40210C

#400C11

Triadic

#400C11

#11400C

#0C1140

Split Complementary

#400C11

#0C4021

#0C2B40

Tetradic

#400C11

#2B400C

#0C403B

#210C40

Color Blindness Simulation

Original

#400C11

Protanopia

#292910

Deuteranopia

#2C300F

Tritanopia

#3D0F0F

Achromatopsia

#171717

CSS Usage

background-color: #400C11;
color: #400C11;
border-color: #400C11;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FCF3F4
100
#F8E3E5
200
#F4C3C8
300
#EC98A0
400
#E1606D
500
#D72839
600
#AC202E
700
#891A25
800
#6B141D
900
#4E1318
950
#310C0F

Contrast Checker

Text on white

16.42:1

AA Pass AAA Pass

Text on black

1.28:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026