#131638

#131638

Color Values

HEX

#131638

RGB

19, 22, 56

HSL

235.1, 49.3%, 14.7%

HSV

235.1, 66.1%, 22.0%

CMYK

66.1%, 60.7%, 0.0%, 78.0%

OKLCH

0.2196 0.0652 275.8

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#131638

#383513

Analogous

#132938

#221338

#131638

Triadic

#131638

#381316

#163813

Split Complementary

#131638

#382213

#293813

Tetradic

#131638

#381329

#383513

#133822

Color Blindness Simulation

Original

#131638

Protanopia

#141430

Deuteranopia

#14142E

Tritanopia

#132928

Achromatopsia

#181818

CSS Usage

background-color: #131638;
color: #131638;
border-color: #131638;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F5FB
100
#E6E7F5
200
#CACDED
300
#A4A9E0
400
#727ACF
500
#414BBE
600
#343C98
700
#29307A
800
#20255F
900
#1B1E46
950
#11132C

Contrast Checker

Text on white

17.51:1

AA Pass AAA Pass

Text on black

1.2:1

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