#1665B0

#1665B0

Color Values

HEX

#1665B0

RGB

22, 101, 176

HSL

209.2, 77.8%, 38.8%

HSV

209.2, 87.5%, 69.0%

CMYK

87.5%, 42.6%, 0.0%, 31.0%

OKLCH

0.5024 0.1392 252.2

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#1665B0

#B06116

Analogous

#16B0AE

#1618B0

#1665B0

Triadic

#1665B0

#B01665

#65B016

Split Complementary

#1665B0

#B01618

#B0AE16

Tetradic

#1665B0

#AE16B0

#B06116

#18B016

Color Blindness Simulation

Original

#1665B0

Protanopia

#38399E

Deuteranopia

#342E9A

Tritanopia

#1A908C

Achromatopsia

#5A5A5A

CSS Usage

background-color: #1665B0;
color: #1665B0;
border-color: #1665B0;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F2F7FC
100
#E1EDF9
200
#C0DCF7
300
#92C3F1
400
#57A3EA
500
#1C82E3
600
#1768B5
700
#125391
800
#0E4171
900
#0F3152
950
#091F34

Contrast Checker

Text on white

5.96:1

AA Pass AAA Fail

Text on black

3.52:1

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