#66ACE1

#66ACE1

Color Values

HEX

#66ACE1

RGB

102, 172, 225

HSL

205.9, 67.2%, 64.1%

HSV

205.9, 54.7%, 88.2%

CMYK

54.7%, 23.6%, 0.0%, 11.8%

OKLCH

0.7195 0.1051 242.8

Properties

Cool Light Nearest: steelblue 2

Color Harmonies

Complementary

#66ACE1

#E19B66

Analogous

#66E1D9

#666EE1

#66ACE1

Triadic

#66ACE1

#E166AC

#ACE166

Split Complementary

#66ACE1

#E1666E

#E1D966

Tetradic

#66ACE1

#D966E1

#E19B66

#6EE166

Color Blindness Simulation

Original

#66ACE1

Protanopia

#8485D4

Deuteranopia

#807BD1

Tritanopia

#69CAC8

Achromatopsia

#A1A1A1

CSS Usage

background-color: #66ACE1;
color: #66ACE1;
border-color: #66ACE1;
Nearest Tailwind: Blue 300 #93C5FD

Tailwind Shades

50
#F3F8FC
100
#E3EFF7
200
#C3DFF3
300
#99C7EB
400
#61A9E0
500
#2A8BD5
600
#216FAB
700
#1B5988
800
#15466B
900
#13344E
950
#0C2131

Contrast Checker

Text on white

2.46:1

AA Fail AAA Fail

Text on black

8.55:1

AA Pass AAA Pass

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