#666EDA

#666EDA

Color Values

HEX

#666EDA

RGB

102, 110, 218

HSL

235.9, 61.1%, 62.7%

HSV

235.9, 53.2%, 85.5%

CMYK

53.2%, 49.5%, 0.0%, 14.5%

OKLCH

0.5858 0.1625 277.0

Properties

Cool Light Nearest: royalblue 3

Color Harmonies

Complementary

#666EDA

#DAD266

Analogous

#66A8DA

#9866DA

#666EDA

Triadic

#666EDA

#DA666E

#6EDA66

Split Complementary

#666EDA

#DA9866

#A8DA66

Tetradic

#666EDA

#DA66A8

#DAD266

#66DA98

Color Blindness Simulation

Original

#666EDA

Protanopia

#696AC0

Deuteranopia

#6968BA

Tritanopia

#66ABA7

Achromatopsia

#747474

CSS Usage

background-color: #666EDA;
color: #666EDA;
border-color: #666EDA;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F3F4FB
100
#E4E5F6
200
#C5C8F1
300
#9CA2E7
400
#676FDA
500
#323CCD
600
#2830A4
700
#202783
800
#191E67
900
#16194B
950
#0E102F

Contrast Checker

Text on white

4.37:1

AA Fail AAA Fail

Text on black

4.81:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026