#131128

#131128

Color Values

HEX

#131128

RGB

19, 17, 40

HSL

245.2, 40.4%, 11.2%

HSV

245.2, 57.5%, 15.7%

CMYK

52.5%, 57.5%, 0.0%, 84.3%

OKLCH

0.194 0.0454 285.3

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#131128

#262811

Analogous

#111B28

#1F1128

#131128

Triadic

#131128

#281311

#112813

Split Complementary

#131128

#281F11

#1B2811

Tetradic

#131128

#28111B

#262811

#11281F

Color Blindness Simulation

Original

#131128

Protanopia

#121222

Deuteranopia

#121221

Tritanopia

#131E1D

Achromatopsia

#131313

CSS Usage

background-color: #131128;
color: #131128;
border-color: #131128;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#CFCDEA
300
#ADA9DB
400
#817BC7
500
#554CB3
600
#443D8F
700
#363173
800
#2A265A
900
#221F42
950
#15132A

Contrast Checker

Text on white

18.45:1

AA Pass AAA Pass

Text on black

1.14:1

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