#18408C

#18408C

Color Values

HEX

#18408C

RGB

24, 64, 140

HSL

219.3, 70.7%, 32.2%

HSV

219.3, 82.9%, 54.9%

CMYK

82.9%, 54.3%, 0.0%, 45.1%

OKLCH

0.3915 0.1345 261.6

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#18408C

#8C6418

Analogous

#187A8C

#2A188C

#18408C

Triadic

#18408C

#8C1840

#408C18

Split Complementary

#18408C

#8C2A18

#7A8C18

Tetradic

#18408C

#8C187A

#8C6418

#188C2A

Color Blindness Simulation

Original

#18408C

Protanopia

#292A7A

Deuteranopia

#272475

Tritanopia

#1A6B68

Achromatopsia

#3D3D3D

CSS Usage

background-color: #18408C;
color: #18408C;
border-color: #18408C;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FC
100
#E2EAF8
200
#C2D3F5
300
#97B4ED
400
#5E8CE3
500
#2564DA
600
#1E50AE
700
#18408B
800
#13326D
900
#12274F
950
#0B1932

Contrast Checker

Text on white

9.76:1

AA Pass AAA Pass

Text on black

2.15:1

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