#665EB3

#665EB3

Color Values

HEX

#665EB3

RGB

102, 94, 179

HSL

245.6, 35.9%, 53.5%

HSV

245.6, 47.5%, 70.2%

CMYK

43.0%, 47.5%, 0.0%, 29.8%

OKLCH

0.5302 0.1301 285.3

Properties

Cool Dark Nearest: Blue Violet

Color Harmonies

Complementary

#665EB3

#ABB35E

Analogous

#5E80B3

#905EB3

#665EB3

Triadic

#665EB3

#B3665E

#5EB366

Split Complementary

#665EB3

#B3905E

#80B35E

Tetradic

#665EB3

#B35E80

#ABB35E

#5EB390

Color Blindness Simulation

Original

#665EB3

Protanopia

#63629E

Deuteranopia

#63649A

Tritanopia

#668E8B

Achromatopsia

#666666

CSS Usage

background-color: #665EB3;
color: #665EB3;
border-color: #665EB3;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E9E8F3
200
#D1CEE8
300
#B0ACD8
400
#857FC3
500
#5A52AD
600
#48418B
700
#3A346F
800
#2D2957
900
#242140
950
#171528

Contrast Checker

Text on white

5.5:1

AA Pass AAA Fail

Text on black

3.82:1

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