#2147AB

#2147AB

Color Values

HEX

#2147AB

RGB

33, 71, 171

HSL

223.5, 67.6%, 40.0%

HSV

223.5, 80.7%, 67.1%

CMYK

80.7%, 58.5%, 0.0%, 32.9%

OKLCH

0.4357 0.1662 264.5

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#2147AB

#AB8521

Analogous

#218CAB

#4021AB

#2147AB

Triadic

#2147AB

#AB2147

#47AB21

Split Complementary

#2147AB

#AB4021

#8CAB21

Tetradic

#2147AB

#AB218C

#AB8521

#21AB40

Color Blindness Simulation

Original

#2147AB

Protanopia

#313293

Deuteranopia

#2F2C8D

Tritanopia

#23807C

Achromatopsia

#464646

CSS Usage

background-color: #2147AB;
color: #2147AB;
border-color: #2147AB;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F3F5FC
100
#E3E9F7
200
#C3D0F3
300
#98AFEB
400
#6184E0
500
#2959D6
600
#2147AB
700
#1A3989
800
#152C6B
900
#13234E
950
#0C1631

Contrast Checker

Text on white

8.22:1

AA Pass AAA Pass

Text on black

2.55:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026