#1D3549

#1D3549

Color Values

HEX

#1D3549

RGB

29, 53, 73

HSL

207.3, 43.1%, 20.0%

HSV

207.3, 60.3%, 28.6%

CMYK

60.3%, 27.4%, 0.0%, 71.4%

OKLCH

0.3191 0.0469 245.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#1D3549

#49311D

Analogous

#1D4947

#1D1F49

#1D3549

Triadic

#1D3549

#491D35

#35491D

Split Complementary

#1D3549

#491D1F

#49471D

Tetradic

#1D3549

#471D49

#49311D

#1F491D

Color Blindness Simulation

Original

#1D3549

Protanopia

#272844

Deuteranopia

#262443

Tritanopia

#1E4040

Achromatopsia

#313131

CSS Usage

background-color: #1D3549;
color: #1D3549;
border-color: #1D3549;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F5F8FA
100
#E7EEF4
200
#CCDDEB
300
#A7C4DC
400
#78A4C9
500
#4984B6
600
#3A6A92
700
#2E5575
800
#24425B
900
#1E3243
950
#13202A

Contrast Checker

Text on white

12.67:1

AA Pass AAA Pass

Text on black

1.66:1

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