#1F4584

#1F4584

Color Values

HEX

#1F4584

RGB

31, 69, 132

HSL

217.4, 62.0%, 32.0%

HSV

217.4, 76.5%, 51.8%

CMYK

76.5%, 47.7%, 0.0%, 48.2%

OKLCH

0.3992 0.1145 260.0

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#1F4584

#845E1F

Analogous

#1F7884

#2B1F84

#1F4584

Triadic

#1F4584

#841F45

#45841F

Split Complementary

#1F4584

#842B1F

#78841F

Tetradic

#1F4584

#841F78

#845E1F

#1F842B

Color Blindness Simulation

Original

#1F4584

Protanopia

#2F3075

Deuteranopia

#2D2A71

Tritanopia

#216966

Achromatopsia

#414141

CSS Usage

background-color: #1F4584;
color: #1F4584;
border-color: #1F4584;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FB
100
#E4EBF7
200
#C5D6F1
300
#9CB8E8
400
#6692DB
500
#306CCF
600
#2756A5
700
#1F4584
800
#183667
900
#152A4B
950
#0E1A30

Contrast Checker

Text on white

9.36:1

AA Pass AAA Pass

Text on black

2.24:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026