#42447B

#42447B

Color Values

HEX

#42447B

RGB

66, 68, 123

HSL

237.9, 30.2%, 37.1%

HSV

237.9, 46.3%, 48.2%

CMYK

46.3%, 44.7%, 0.0%, 51.8%

OKLCH

0.4123 0.0909 280.0

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#42447B

#7B7942

Analogous

#42617B

#5D427B

#42447B

Triadic

#42447B

#7B4244

#447B42

Split Complementary

#42447B

#7B5D42

#617B42

Tetradic

#42447B

#7B4261

#7B7942

#427B5D

Color Blindness Simulation

Original

#42447B

Protanopia

#43436E

Deuteranopia

#43436A

Tritanopia

#426361

Achromatopsia

#484848

CSS Usage

background-color: #42447B;
color: #42447B;
border-color: #42447B;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F6F9
100
#E9E9F2
200
#D1D1E6
300
#AFB1D4
400
#8486BD
500
#595CA6
600
#474985
700
#393B6A
800
#2C2E53
900
#23243E
950
#161727

Contrast Checker

Text on white

8.96:1

AA Pass AAA Pass

Text on black

2.34:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026