#645980

#645980

Color Values

HEX

#645980

RGB

100, 89, 128

HSL

256.9, 18.0%, 42.5%

HSV

256.9, 30.5%, 50.2%

CMYK

21.9%, 30.5%, 0.0%, 49.8%

OKLCH

0.4902 0.0627 297.0

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#645980

#758059

Analogous

#596180

#775980

#645980

Triadic

#645980

#806459

#598064

Split Complementary

#645980

#807759

#618059

Tetradic

#645980

#805961

#758059

#598077

Color Blindness Simulation

Original

#645980

Protanopia

#5F5F77

Deuteranopia

#606174

Tritanopia

#636F6D

Achromatopsia

#5E5E5E

CSS Usage

background-color: #645980;
color: #645980;
border-color: #645980;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F7F6F9
100
#ECEAF0
200
#D8D5E2
300
#BDB7CD
400
#9990B2
500
#756996
600
#5E5478
700
#4B4360
800
#3B344B
900
#2D2938
950
#1C1A24

Contrast Checker

Text on white

6.4:1

AA Pass AAA Fail

Text on black

3.28:1

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