#1C488F

#1C488F

Color Values

HEX

#1C488F

RGB

28, 72, 143

HSL

217.0, 67.3%, 33.5%

HSV

217.0, 80.4%, 56.1%

CMYK

80.4%, 49.7%, 0.0%, 43.9%

OKLCH

0.4133 0.1274 259.7

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#1C488F

#8F631C

Analogous

#1C828F

#291C8F

#1C488F

Triadic

#1C488F

#8F1C48

#488F1C

Split Complementary

#1C488F

#8F291C

#828F1C

Tetradic

#1C488F

#8F1C82

#8F631C

#1C8F29

Color Blindness Simulation

Original

#1C488F

Protanopia

#2F2F7E

Deuteranopia

#2C297A

Tritanopia

#1E706D

Achromatopsia

#444444

CSS Usage

background-color: #1C488F;
color: #1C488F;
border-color: #1C488F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FC
100
#E3EBF7
200
#C3D6F3
300
#99B8EB
400
#6192E0
500
#2A6BD5
600
#2156AB
700
#1B4589
800
#15366B
900
#132A4E
950
#0C1A31

Contrast Checker

Text on white

8.85:1

AA Pass AAA Pass

Text on black

2.37:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026