#1F3C69

#1F3C69

Color Values

HEX

#1F3C69

RGB

31, 60, 105

HSL

216.5, 54.4%, 26.7%

HSV

216.5, 70.5%, 41.2%

CMYK

70.5%, 42.9%, 0.0%, 58.8%

OKLCH

0.3584 0.0858 258.9

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#1F3C69

#694C1F

Analogous

#1F6169

#271F69

#1F3C69

Triadic

#1F3C69

#691F3C

#3C691F

Split Complementary

#1F3C69

#69271F

#61691F

Tetradic

#1F3C69

#691F61

#694C1F

#1F6927

Color Blindness Simulation

Original

#1F3C69

Protanopia

#2C2C5E

Deuteranopia

#2A285C

Tritanopia

#205654

Achromatopsia

#393939

CSS Usage

background-color: #1F3C69;
color: #1F3C69;
border-color: #1F3C69;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F7FB
100
#E5EBF5
200
#C8D7EF
300
#A1BBE3
400
#6D96D4
500
#3A70C5
600
#2F5A9D
700
#25487E
800
#1D3862
900
#192B48
950
#101B2E

Contrast Checker

Text on white

11.0:1

AA Pass AAA Pass

Text on black

1.91:1

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