#11131D

#11131D

Color Values

HEX

#11131D

RGB

17, 19, 29

HSL

230.0, 26.1%, 9.0%

HSV

230.0, 41.4%, 11.4%

CMYK

41.4%, 34.5%, 0.0%, 88.6%

OKLCH

0.1896 0.0206 275.5

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#11131D

#1D1B11

Analogous

#11191D

#15111D

#11131D

Triadic

#11131D

#1D1113

#131D11

Split Complementary

#11131D

#1D1511

#191D11

Tetradic

#11131D

#1D1119

#1D1B11

#111D15

Color Blindness Simulation

Original

#11131D

Protanopia

#12121B

Deuteranopia

#12121A

Tritanopia

#111918

Achromatopsia

#131313

CSS Usage

background-color: #11131D;
color: #11131D;
border-color: #11131D;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F6F6F9
100
#E9EBF1
200
#D2D5E5
300
#B2B7D2
400
#8890B9
500
#5E69A1
600
#4B5481
700
#3C4367
800
#2F3550
900
#25293C
950
#171A26

Contrast Checker

Text on white

18.51:1

AA Pass AAA Pass

Text on black

1.13:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026