#1F375E

#1F375E

Color Values

HEX

#1F375E

RGB

31, 55, 94

HSL

217.1, 50.4%, 24.5%

HSV

217.1, 67.0%, 36.9%

CMYK

67.0%, 41.5%, 0.0%, 63.1%

OKLCH

0.3385 0.0753 259.7

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#1F375E

#5E461F

Analogous

#1F575E

#261F5E

#1F375E

Triadic

#1F375E

#5E1F37

#375E1F

Split Complementary

#1F375E

#5E261F

#575E1F

Tetradic

#1F375E

#5E1F57

#5E461F

#1F5E26

Color Blindness Simulation

Original

#1F375E

Protanopia

#292A55

Deuteranopia

#282652

Tritanopia

#204D4B

Achromatopsia

#353535

CSS Usage

background-color: #1F375E;
color: #1F375E;
border-color: #1F375E;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E6EBF5
200
#C9D7ED
300
#A3BBE1
400
#7195D0
500
#3F70C0
600
#335A99
700
#28487B
800
#203860
900
#1A2B46
950
#111B2C

Contrast Checker

Text on white

11.89:1

AA Pass AAA Pass

Text on black

1.77:1

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