#1C5CB3

#1C5CB3

Color Values

HEX

#1C5CB3

RGB

28, 92, 179

HSL

214.6, 72.9%, 40.6%

HSV

214.6, 84.4%, 70.2%

CMYK

84.4%, 48.6%, 0.0%, 29.8%

OKLCH

0.4854 0.1524 257.7

Properties

Cool Dark Nearest: NCS S 2060-B Deep Blue

Color Harmonies

Complementary

#1C5CB3

#B3731C

Analogous

#1CA7B3

#281CB3

#1C5CB3

Triadic

#1C5CB3

#B31C5C

#5CB31C

Split Complementary

#1C5CB3

#B3281C

#A7B31C

Tetradic

#1C5CB3

#B31CA7

#B3731C

#1CB328

Color Blindness Simulation

Original

#1C5CB3

Protanopia

#38389E

Deuteranopia

#342F99

Tritanopia

#1F8D8A

Achromatopsia

#555555

CSS Usage

background-color: #1C5CB3;
color: #1C5CB3;
border-color: #1C5CB3;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F7FC
100
#E2EBF8
200
#C1D7F5
300
#95BBEE
400
#5C96E5
500
#2371DC
600
#1C5BB0
700
#16488D
800
#11396E
900
#112C50
950
#0B1C33

Contrast Checker

Text on white

6.5:1

AA Pass AAA Fail

Text on black

3.23:1

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