#555A7D

#555A7D

Color Values

HEX

#555A7D

RGB

85, 90, 125

HSL

232.5, 19.0%, 41.2%

HSV

232.5, 32.0%, 49.0%

CMYK

32.0%, 28.0%, 0.0%, 51.0%

OKLCH

0.4776 0.0568 277.7

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#555A7D

#7D7855

Analogous

#556E7D

#64557D

#555A7D

Triadic

#555A7D

#7D555A

#5A7D55

Split Complementary

#555A7D

#7D6455

#6E7D55

Tetradic

#555A7D

#7D556E

#7D7855

#557D64

Color Blindness Simulation

Original

#555A7D

Protanopia

#575775

Deuteranopia

#575672

Tritanopia

#556E6C

Achromatopsia

#5B5B5B

CSS Usage

background-color: #555A7D;
color: #555A7D;
border-color: #555A7D;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F6F9
100
#EAEBF0
200
#D5D6E2
300
#B6B9CD
400
#8F93B3
500
#676D98
600
#535779
700
#424661
800
#34374C
900
#282A39
950
#191B24

Contrast Checker

Text on white

6.68:1

AA Pass AAA Fail

Text on black

3.14:1

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