#555CB0

#555CB0

Color Values

HEX

#555CB0

RGB

85, 92, 176

HSL

235.4, 36.5%, 51.2%

HSV

235.4, 51.7%, 69.0%

CMYK

51.7%, 47.7%, 0.0%, 31.0%

OKLCH

0.5111 0.1314 277.1

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#555CB0

#B0A955

Analogous

#558AB0

#7C55B0

#555CB0

Triadic

#555CB0

#B0555C

#5CB055

Split Complementary

#555CB0

#B07C55

#8AB055

Tetradic

#555CB0

#B0558A

#B0A955

#55B07C

Color Blindness Simulation

Original

#555CB0

Protanopia

#58589C

Deuteranopia

#585797

Tritanopia

#558C88

Achromatopsia

#616161

CSS Usage

background-color: #555CB0;
color: #555CB0;
border-color: #555CB0;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CED0E8
300
#ABAFD8
400
#7E83C3
500
#5158AE
600
#41468B
700
#34386F
800
#282C57
900
#212340
950
#151629

Contrast Checker

Text on white

5.93:1

AA Pass AAA Fail

Text on black

3.54:1

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