#515883

#515883

Color Values

HEX

#515883

RGB

81, 88, 131

HSL

231.6, 23.6%, 41.6%

HSV

231.6, 38.2%, 51.4%

CMYK

38.2%, 32.8%, 0.0%, 48.6%

OKLCH

0.4729 0.0701 276.3

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#515883

#837C51

Analogous

#517183

#635183

#515883

Triadic

#515883

#835158

#588351

Split Complementary

#515883

#836351

#718351

Tetradic

#515883

#835171

#837C51

#518363

Color Blindness Simulation

Original

#515883

Protanopia

#545479

Deuteranopia

#545376

Tritanopia

#51706F

Achromatopsia

#5A5A5A

CSS Usage

background-color: #515883;
color: #515883;
border-color: #515883;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F6F9
100
#EAEBF1
200
#D3D5E4
300
#B3B7D0
400
#8A91B7
500
#616A9E
600
#4E557E
700
#3E4465
800
#31354F
900
#26293B
950
#181A25

Contrast Checker

Text on white

6.83:1

AA Pass AAA Fail

Text on black

3.07:1

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