#1C45B0

#1C45B0

Color Values

HEX

#1C45B0

RGB

28, 69, 176

HSL

223.4, 72.5%, 40.0%

HSV

223.4, 84.1%, 69.0%

CMYK

84.1%, 60.8%, 0.0%, 31.0%

OKLCH

0.4344 0.1766 264.2

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#1C45B0

#B0871C

Analogous

#1C8FB0

#3D1CB0

#1C45B0

Triadic

#1C45B0

#B01C45

#45B01C

Split Complementary

#1C45B0

#B03D1C

#8FB01C

Tetradic

#1C45B0

#B01C8F

#B0871C

#1CB03D

Color Blindness Simulation

Original

#1C45B0

Protanopia

#2E2E96

Deuteranopia

#2B2890

Tritanopia

#1E827D

Achromatopsia

#444444

CSS Usage

background-color: #1C45B0;
color: #1C45B0;
border-color: #1C45B0;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F3F5FC
100
#E2E8F8
200
#C1D0F5
300
#95AEEE
400
#5C82E5
500
#2356DC
600
#1C45B0
700
#16378D
800
#122B6E
900
#112250
950
#0B1633

Contrast Checker

Text on white

8.31:1

AA Pass AAA Pass

Text on black

2.53:1

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