#577396

#577396

Color Values

HEX

#577396

RGB

87, 115, 150

HSL

213.3, 26.6%, 46.5%

HSV

213.3, 42.0%, 58.8%

CMYK

42.0%, 23.3%, 0.0%, 41.2%

OKLCH

0.5478 0.064 254.4

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#577396

#967A57

Analogous

#579396

#5B5796

#577396

Triadic

#577396

#965773

#739657

Split Complementary

#577396

#965B57

#939657

Tetradic

#577396

#965793

#967A57

#57965B

Color Blindness Simulation

Original

#577396

Protanopia

#63638E

Deuteranopia

#625F8C

Tritanopia

#588785

Achromatopsia

#707070

CSS Usage

background-color: #577396;
color: #577396;
border-color: #577396;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DAE5
300
#B2C0D2
400
#889EBA
500
#5E7CA1
600
#4B6381
700
#3C4F67
800
#2F3E51
900
#252F3C
950
#171E26

Contrast Checker

Text on white

4.89:1

AA Pass AAA Fail

Text on black

4.3:1

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