#665BBC

#665BBC

Color Values

HEX

#665BBC

RGB

102, 91, 188

HSL

246,8, 42,0%, 54,7%

HSV

246,8, 51,6%, 73,7%

CMYK

45,7%, 51,6%, 0,0%, 26,3%

OKLCH

0,5303 0,1471 285,4

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#665BBC

#B1BC5B

Analogous

#5B80BC

#965BBC

#665BBC

Triadic

#665BBC

#BC665B

#5BBC66

Split Complementary

#665BBC

#BC965B

#80BC5B

Tetradic

#665BBC

#BC5B80

#B1BC5B

#5BBC96

Color Blindness Simulation

Original

#665BBC

Protanopia

#6161A5

Deuteranopia

#62639F

Tritanopia

#65928E

Achromatopsia

#646464

CSS Usage

background-color: #665BBC;
color: #665BBC;
border-color: #665BBC;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F5F5FA
100
#E8E7F4
200
#D0CCEA
300
#AEA8DC
400
#8279C8
500
#564AB5
600
#453B91
700
#372F74
800
#2B255B
900
#221E43
950
#16132A

Contrast Checker

Text on white

5,54:1

AA Pass AAA Fail

Text on black

3,79:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Şub 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Şub 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Şub 19, 2026