#577399

#577399

Color Values

HEX

#577399

RGB

87, 115, 153

HSL

214.5, 27.5%, 47.1%

HSV

214.5, 43.1%, 60.0%

CMYK

43.1%, 24.8%, 0.0%, 40.0%

OKLCH

0.5492 0.0681 256.2

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#577399

#997D57

Analogous

#579499

#5C5799

#577399

Triadic

#577399

#995773

#739957

Split Complementary

#577399

#995C57

#949957

Tetradic

#577399

#995794

#997D57

#57995C

Color Blindness Simulation

Original

#577399

Protanopia

#636390

Deuteranopia

#625F8E

Tritanopia

#588987

Achromatopsia

#707070

CSS Usage

background-color: #577399;
color: #577399;
border-color: #577399;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D1DAE5
300
#B1BFD3
400
#879DBB
500
#5C7AA3
600
#4A6282
700
#3B4E68
800
#2E3D51
900
#242F3C
950
#171D26

Contrast Checker

Text on white

4.86:1

AA Pass AAA Fail

Text on black

4.32:1

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