#557384

#557384

Color Values

HEX

#557384

RGB

85, 115, 132

HSL

201.7, 21.7%, 42.5%

HSV

201.7, 35.6%, 51.8%

CMYK

35.6%, 12.9%, 0.0%, 48.2%

OKLCH

0.5387 0.0437 233.5

Properties

Cool Dark Nearest: lightskyblue 4

Color Harmonies

Complementary

#557384

#846655

Analogous

#55847D

#555B84

#557384

Triadic

#557384

#845573

#738455

Split Complementary

#557384

#84555B

#847D55

Tetradic

#557384

#7D5584

#846655

#5B8455

Color Blindness Simulation

Original

#557384

Protanopia

#626280

Deuteranopia

#605E7F

Tritanopia

#567D7C

Achromatopsia

#6E6E6E

CSS Usage

background-color: #557384;
color: #557384;
border-color: #557384;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#EAEEF0
200
#D4DDE3
300
#B5C5CF
400
#8CA6B5
500
#64879B
600
#506C7C
700
#405663
800
#32444E
900
#27333A
950
#192025

Contrast Checker

Text on white

5.03:1

AA Pass AAA Fail

Text on black

4.17:1

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