#1F2149

#1F2149

Color Values

HEX

#1F2149

RGB

31, 33, 73

HSL

237.1, 40.4%, 20.4%

HSV

237.1, 57.5%, 28.6%

CMYK

57.5%, 54.8%, 0.0%, 71.4%

OKLCH

0.2698 0.0729 278.2

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#1F2149

#49471F

Analogous

#1F3649

#321F49

#1F2149

Triadic

#1F2149

#491F21

#21491F

Split Complementary

#1F2149

#49321F

#36491F

Tetradic

#1F2149

#491F36

#49471F

#1F4932

Color Blindness Simulation

Original

#1F2149

Protanopia

#20203F

Deuteranopia

#20203D

Tritanopia

#1F3836

Achromatopsia

#232323

CSS Usage

background-color: #1F2149;
color: #1F2149;
border-color: #1F2149;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDCEEA
300
#A9ABDB
400
#7B7EC7
500
#4C51B3
600
#3D418F
700
#313473
800
#26285A
900
#1F2142
950
#13152A

Contrast Checker

Text on white

15.31:1

AA Pass AAA Pass

Text on black

1.37:1

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