#556C88

#556C88

Color Values

HEX

#556C88

RGB

85, 108, 136

HSL

212.9, 23.1%, 43.3%

HSV

212.9, 37.5%, 53.3%

CMYK

37.5%, 20.6%, 0.0%, 46.7%

OKLCH

0.5239 0.0522 253.7

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#556C88

#887155

Analogous

#558588

#575588

#556C88

Triadic

#556C88

#88556C

#6C8855

Split Complementary

#556C88

#885755

#858855

Tetradic

#556C88

#885585

#887155

#558857

Color Blindness Simulation

Original

#556C88

Protanopia

#5F5F81

Deuteranopia

#5E5C80

Tritanopia

#567C7B

Achromatopsia

#696969

CSS Usage

background-color: #556C88;
color: #556C88;
border-color: #556C88;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF1
200
#D3DBE4
300
#B4C0D0
400
#8B9FB6
500
#627D9D
600
#4E647E
700
#3F5064
800
#313E4E
900
#262F3B
950
#181E25

Contrast Checker

Text on white

5.4:1

AA Pass AAA Fail

Text on black

3.89:1

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