#166FC5

#166FC5

Color Values

HEX

#166FC5

RGB

22, 111, 197

HSL

209.5, 79.9%, 42.9%

HSV

209.5, 88.8%, 77.3%

CMYK

88.8%, 43.7%, 0.0%, 22.7%

OKLCH

0.5395 0.1551 252.9

Properties

Cool Dark Nearest: dodgerblue 3

Color Harmonies

Complementary

#166FC5

#C56C16

Analogous

#16C5C3

#1617C5

#166FC5

Triadic

#166FC5

#C5166F

#6FC516

Split Complementary

#166FC5

#C51617

#C5C316

Tetradic

#166FC5

#C316C5

#C56C16

#17C516

Color Blindness Simulation

Original

#166FC5

Protanopia

#3D3DB0

Deuteranopia

#3731AB

Tritanopia

#1AA09C

Achromatopsia

#626262

CSS Usage

background-color: #166FC5;
color: #166FC5;
border-color: #166FC5;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F2F7FD
100
#E1EDF9
200
#BFDCF8
300
#91C3F3
400
#55A2EC
500
#1A81E5
600
#1567B7
700
#105393
800
#0D4173
900
#0E3153
950
#091F35

Contrast Checker

Text on white

5.1:1

AA Pass AAA Fail

Text on black

4.11:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026