#1F5BA5

#1F5BA5

Color Values

HEX

#1F5BA5

RGB

31, 91, 165

HSL

213.1, 68.4%, 38.4%

HSV

213.1, 81.2%, 64.7%

CMYK

81.2%, 44.8%, 0.0%, 35.3%

OKLCH

0.4739 0.1339 255.8

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#1F5BA5

#A5691F

Analogous

#1F9EA5

#261FA5

#1F5BA5

Triadic

#1F5BA5

#A51F5B

#5BA51F

Split Complementary

#1F5BA5

#A5261F

#9EA51F

Tetradic

#1F5BA5

#A51F9E

#A5691F

#1FA526

Color Blindness Simulation

Original

#1F5BA5

Protanopia

#393A93

Deuteranopia

#36318F

Tritanopia

#228582

Achromatopsia

#545454

CSS Usage

background-color: #1F5BA5;
color: #1F5BA5;
border-color: #1F5BA5;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FC
100
#E3ECF8
200
#C3D9F4
300
#98BDEC
400
#609AE1
500
#2876D7
600
#205FAC
700
#1A4C89
800
#143B6B
900
#132D4E
950
#0C1D31

Contrast Checker

Text on white

6.78:1

AA Pass AAA Fail

Text on black

3.1:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026