#123F69

#123F69

Color Values

HEX

#123F69

RGB

18, 63, 105

HSL

209.0, 70.7%, 24.1%

HSV

209.0, 82.9%, 41.2%

CMYK

82.9%, 40.0%, 0.0%, 58.8%

OKLCH

0.3608 0.0872 250.5

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#123F69

#693C12

Analogous

#126967

#121369

#123F69

Triadic

#123F69

#69123F

#3F6912

Split Complementary

#123F69

#691213

#696712

Tetradic

#123F69

#671269

#693C12

#136912

Color Blindness Simulation

Original

#123F69

Protanopia

#25265F

Deuteranopia

#23205C

Tritanopia

#145755

Achromatopsia

#383838

CSS Usage

background-color: #123F69;
color: #123F69;
border-color: #123F69;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F3F8FC
100
#E2EEF8
200
#C2DCF5
300
#97C3ED
400
#5EA3E3
500
#2583DA
600
#1E68AE
700
#18548B
800
#13416D
900
#12314F
950
#0B1F32

Contrast Checker

Text on white

10.82:1

AA Pass AAA Pass

Text on black

1.94:1

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