#555980

#555980

Color Values

HEX

#555980

RGB

85, 89, 128

HSL

234.4, 20.2%, 41.8%

HSV

234.4, 33.6%, 50.2%

CMYK

33.6%, 30.5%, 0.0%, 49.8%

OKLCH

0.4769 0.063 279.2

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#555980

#807C55

Analogous

#556F80

#675580

#555980

Triadic

#555980

#805559

#598055

Split Complementary

#555980

#806755

#6F8055

Tetradic

#555980

#80556F

#807C55

#558067

Color Blindness Simulation

Original

#555980

Protanopia

#575777

Deuteranopia

#565674

Tritanopia

#556F6D

Achromatopsia

#5B5B5B

CSS Usage

background-color: #555980;
color: #555980;
border-color: #555980;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F6F9
100
#EAEBF0
200
#D4D5E3
300
#B5B8CE
400
#8E91B4
500
#666B99
600
#51557B
700
#414462
800
#33354D
900
#282939
950
#191A24

Contrast Checker

Text on white

6.72:1

AA Pass AAA Fail

Text on black

3.13:1

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