#56738B

#56738B

Color Values

HEX

#56738B

RGB

86, 115, 139

HSL

207.2, 23.6%, 44.1%

HSV

207.2, 38.1%, 54.5%

CMYK

38.1%, 17.3%, 0.0%, 45.5%

OKLCH

0.5423 0.0506 243.9

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#56738B

#8B6E56

Analogous

#568B89

#56588B

#56738B

Triadic

#56738B

#8B5673

#738B56

Split Complementary

#56738B

#8B5658

#8B8956

Tetradic

#56738B

#89568B

#8B6E56

#588B56

Color Blindness Simulation

Original

#56738B

Protanopia

#636385

Deuteranopia

#615F84

Tritanopia

#578180

Achromatopsia

#6F6F6F

CSS Usage

background-color: #56738B;
color: #56738B;
border-color: #56738B;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF1
200
#D3DCE4
300
#B3C3D0
400
#8AA3B7
500
#61829E
600
#4E687E
700
#3E5365
800
#31414F
900
#26313B
950
#181F25

Contrast Checker

Text on white

4.98:1

AA Pass AAA Fail

Text on black

4.22:1

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