#2B66D4

#2B66D4

Color Values

HEX

#2B66D4

RGB

43, 102, 212

HSL

219.1, 66.3%, 50.0%

HSV

219.1, 79.7%, 83.1%

CMYK

79.7%, 51.9%, 0.0%, 16.9%

OKLCH

0.5356 0.1807 261.4

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#2B66D4

#D4992B

Analogous

#2BBAD4

#452BD4

#2B66D4

Triadic

#2B66D4

#D42B66

#66D42B

Split Complementary

#2B66D4

#D4452B

#BAD42B

Tetradic

#2B66D4

#D42BBA

#D4992B

#2BD445

Color Blindness Simulation

Original

#2B66D4

Protanopia

#4545B9

Deuteranopia

#413DB3

Tritanopia

#2EA4A0

Achromatopsia

#616161

CSS Usage

background-color: #2B66D4;
color: #2B66D4;
border-color: #2B66D4;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F3F6FC
100
#E3EAF7
200
#C4D4F3
300
#99B5EA
400
#628EDF
500
#2B66D4
600
#2251AA
700
#1B4188
800
#15336A
900
#14284D
950
#0C1931

Contrast Checker

Text on white

5.31:1

AA Pass AAA Fail

Text on black

3.95:1

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