#1D355B

#1D355B

Color Values

HEX

#1D355B

RGB

29, 53, 91

HSL

216.8, 51.7%, 23.5%

HSV

216.8, 68.1%, 35.7%

CMYK

68.1%, 41.8%, 0.0%, 64.3%

OKLCH

0.3303 0.074 259.2

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#1D355B

#5B431D

Analogous

#1D545B

#241D5B

#1D355B

Triadic

#1D355B

#5B1D35

#355B1D

Split Complementary

#1D355B

#5B241D

#545B1D

Tetradic

#1D355B

#5B1D54

#5B431D

#1D5B24

Color Blindness Simulation

Original

#1D355B

Protanopia

#272852

Deuteranopia

#262450

Tritanopia

#1E4B49

Achromatopsia

#333333

CSS Usage

background-color: #1D355B;
color: #1D355B;
border-color: #1D355B;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E5EBF5
200
#C9D7EE
300
#A2BBE1
400
#7096D1
500
#3E71C1
600
#315A9B
700
#27487C
800
#1F3861
900
#1A2B47
950
#101B2D

Contrast Checker

Text on white

12.26:1

AA Pass AAA Pass

Text on black

1.71:1

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