#646AD4

#646AD4

Color Values

HEX

#646AD4

RGB

100, 106, 212

HSL

236,8, 56,6%, 61,2%

HSV

236,8, 52,8%, 83,1%

CMYK

52,8%, 50,0%, 0,0%, 16,9%

OKLCH

0,5728 0,1599 277,6

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#646AD4

#D4CE64

Analogous

#64A2D4

#9664D4

#646AD4

Triadic

#646AD4

#D4646A

#6AD464

Split Complementary

#646AD4

#D49664

#A2D464

Tetradic

#646AD4

#D464A2

#D4CE64

#64D496

Color Blindness Simulation

Original

#646AD4

Protanopia

#6767BA

Deuteranopia

#6666B4

Tritanopia

#64A6A2

Achromatopsia

#707070

CSS Usage

background-color: #646AD4;
color: #646AD4;
border-color: #646AD4;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F4F4FB
100
#E5E5F6
200
#C7C9F0
300
#9FA3E4
400
#6B71D6
500
#373FC8
600
#2C32A0
700
#232880
800
#1C2064
900
#181A49
950
#0F112E

Contrast Checker

Text on white

4,61:1

AA Pass AAA Fail

Text on black

4,55:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026