#515C77

#515C77

Color Values

HEX

#515C77

RGB

81, 92, 119

HSL

222.6, 19.0%, 39.2%

HSV

222.6, 31.9%, 46.7%

CMYK

31.9%, 22.7%, 0.0%, 53.3%

OKLCH

0.4761 0.0459 267.4

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#515C77

#776C51

Analogous

#516F77

#595177

#515C77

Triadic

#515C77

#77515C

#5C7751

Split Complementary

#515C77

#775951

#6F7751

Tetradic

#515C77

#77516F

#776C51

#517759

Color Blindness Simulation

Original

#515C77

Protanopia

#565670

Deuteranopia

#55546F

Tritanopia

#526B6A

Achromatopsia

#5C5C5C

CSS Usage

background-color: #515C77;
color: #515C77;
border-color: #515C77;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D5D8E2
300
#B6BDCD
400
#8F99B3
500
#677598
600
#535E79
700
#424B61
800
#343B4C
900
#282D39
950
#191C24

Contrast Checker

Text on white

6.67:1

AA Pass AAA Fail

Text on black

3.15:1

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