#577690

#577690

Color Values

HEX

#577690

RGB

87, 118, 144

HSL

207.4, 24.7%, 45.3%

HSV

207.4, 39.6%, 56.5%

CMYK

39.6%, 18.1%, 0.0%, 43.5%

OKLCH

0.5521 0.0542 244.3

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#577690

#907157

Analogous

#57908E

#575990

#577690

Triadic

#577690

#905776

#769057

Split Complementary

#577690

#905759

#908E57

Tetradic

#577690

#8E5790

#907157

#599057

Color Blindness Simulation

Original

#577690

Protanopia

#64658A

Deuteranopia

#636088

Tritanopia

#598584

Achromatopsia

#717171

CSS Usage

background-color: #577690;
color: #577690;
border-color: #577690;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DCE4
300
#B3C3D1
400
#89A3B8
500
#60829F
600
#4D687F
700
#3D5366
800
#30414F
900
#26313B
950
#181F25

Contrast Checker

Text on white

4.77:1

AA Pass AAA Fail

Text on black

4.4:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026