#1666AE

#1666AE

Color Values

HEX

#1666AE

RGB

22, 102, 174

HSL

208.4, 77.6%, 38.4%

HSV

208.4, 87.4%, 68.2%

CMYK

87.4%, 41.4%, 0.0%, 31.8%

OKLCH

0.5035 0.1355 251.1

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#1666AE

#AE5E16

Analogous

#16AEAA

#161AAE

#1666AE

Triadic

#1666AE

#AE1666

#66AE16

Split Complementary

#1666AE

#AE161A

#AEAA16

Tetradic

#1666AE

#AA16AE

#AE5E16

#1AAE16

Color Blindness Simulation

Original

#1666AE

Protanopia

#39399D

Deuteranopia

#342E98

Tritanopia

#1A8F8C

Achromatopsia

#5A5A5A

CSS Usage

background-color: #1666AE;
color: #1666AE;
border-color: #1666AE;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F2F8FC
100
#E1EEF9
200
#C0DDF7
300
#92C4F1
400
#57A5EA
500
#1D85E2
600
#176AB5
700
#125591
800
#0E4271
900
#0F3252
950
#092034

Contrast Checker

Text on white

5.92:1

AA Pass AAA Fail

Text on black

3.55:1

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