#644DBA

#644DBA

Color Values

HEX

#644DBA

RGB

100, 77, 186

HSL

252,7, 44,1%, 51,6%

HSV

252,7, 58,6%, 72,9%

CMYK

46,2%, 58,6%, 0,0%, 27,1%

OKLCH

0,5026 0,1645 288,8

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#644DBA

#A3BA4D

Analogous

#4D6DBA

#9B4DBA

#644DBA

Triadic

#644DBA

#BA644D

#4DBA64

Split Complementary

#644DBA

#BA9B4D

#6DBA4D

Tetradic

#644DBA

#BA4D6D

#A3BA4D

#4DBA9B

Color Blindness Simulation

Original

#644DBA

Protanopia

#5A5AA0

Deuteranopia

#5B5D99

Tritanopia

#638B86

Achromatopsia

#5A5A5A

CSS Usage

background-color: #644DBA;
color: #644DBA;
border-color: #644DBA;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F6F4FA
100
#E9E6F4
200
#D2CCEB
300
#B2A7DD
400
#8977CA
500
#5F47B8
600
#4C3993
700
#3D2E76
800
#30245C
900
#251D44
950
#18122B

Contrast Checker

Text on white

6,34:1

AA Pass AAA Fail

Text on black

3,31:1

AA Fail 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