#577B8F

#577B8F

Color Values

HEX

#577B8F

RGB

87, 123, 143

HSL

201.4, 24.3%, 45.1%

HSV

201.4, 39.2%, 56.1%

CMYK

39.2%, 14.0%, 0.0%, 43.9%

OKLCH

0.5635 0.0511 233.2

Properties

Cool Light Nearest: lightskyblue 4

Color Harmonies

Complementary

#577B8F

#8F6B57

Analogous

#578F87

#575F8F

#577B8F

Triadic

#577B8F

#8F577B

#7B8F57

Split Complementary

#577B8F

#8F575F

#8F8757

Tetradic

#577B8F

#87578F

#8F6B57

#5F8F57

Color Blindness Simulation

Original

#577B8F

Protanopia

#67678A

Deuteranopia

#646289

Tritanopia

#598686

Achromatopsia

#757575

CSS Usage

background-color: #577B8F;
color: #577B8F;
border-color: #577B8F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D3DEE4
300
#B3C6D1
400
#8AA7B8
500
#61889E
600
#4D6D7F
700
#3E5765
800
#30444F
900
#26333B
950
#182125

Contrast Checker

Text on white

4.53:1

AA Pass AAA Fail

Text on black

4.64:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026