#6591BA

#6591BA

Color Values

HEX

#6591BA

RGB

101, 145, 186

HSL

208.9, 38.1%, 56.3%

HSV

208.9, 45.7%, 72.9%

CMYK

45.7%, 22.0%, 0.0%, 27.1%

OKLCH

0.6409 0.0784 247.4

Properties

Cool Light Nearest: skyblue 3

Color Harmonies

Complementary

#6591BA

#BA8E65

Analogous

#65BAB8

#6567BA

#6591BA

Triadic

#6591BA

#BA6591

#91BA65

Split Complementary

#6591BA

#BA6567

#BAB865

Tetradic

#6591BA

#B865BA

#BA8E65

#67BA65

Color Blindness Simulation

Original

#6591BA

Protanopia

#7878B0

Deuteranopia

#7672AE

Tritanopia

#67A8A7

Achromatopsia

#8B8B8B

CSS Usage

background-color: #6591BA;
color: #6591BA;
border-color: #6591BA;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CEDCE9
300
#AAC3D9
400
#7DA2C5
500
#4F81B0
600
#3F678D
700
#335371
800
#274158
900
#203141
950
#141F29

Contrast Checker

Text on white

3.33:1

AA Fail AAA Fail

Text on black

6.31:1

AA Pass 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