#647FDD

#647FDD

Color Values

HEX

#647FDD

RGB

100, 127, 221

HSL

226.6, 64.0%, 62.9%

HSV

226.6, 54.8%, 86.7%

CMYK

54.8%, 42.5%, 0.0%, 13.3%

OKLCH

0.6199 0.1452 269.7

Properties

Cool Light Nearest: Indigo

Color Harmonies

Complementary

#647FDD

#DDC264

Analogous

#64BBDD

#8564DD

#647FDD

Triadic

#647FDD

#DD647F

#7FDD64

Split Complementary

#647FDD

#DD8564

#BBDD64

Tetradic

#647FDD

#DD64BB

#DDC264

#64DD85

Color Blindness Simulation

Original

#647FDD

Protanopia

#7070C6

Deuteranopia

#6E6CC1

Tritanopia

#65B4B0

Achromatopsia

#808080

CSS Usage

background-color: #647FDD;
color: #647FDD;
border-color: #647FDD;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F3F5FC
100
#E3E8F7
200
#C4CFF2
300
#9BACE9
400
#647FDD
500
#2E52D1
600
#2542A7
700
#1D3586
800
#172969
900
#15214C
950
#0D1530

Contrast Checker

Text on white

3.74:1

AA Fail AAA Fail

Text on black

5.62:1

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