#1D66B2

#1D66B2

Color Values

HEX

#1D66B2

RGB

29, 102, 178

HSL

210.6, 72.0%, 40.6%

HSV

210.6, 83.7%, 69.8%

CMYK

83.7%, 42.7%, 0.0%, 30.2%

OKLCH

0.5076 0.1391 253.3

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#1D66B2

#B2691D

Analogous

#1DB1B2

#1E1DB2

#1D66B2

Triadic

#1D66B2

#B21D66

#66B21D

Split Complementary

#1D66B2

#B21E1D

#B1B21D

Tetradic

#1D66B2

#B21DB1

#B2691D

#1DB21E

Color Blindness Simulation

Original

#1D66B2

Protanopia

#3D3DA0

Deuteranopia

#38339B

Tritanopia

#21918E

Achromatopsia

#5C5C5C

CSS Usage

background-color: #1D66B2;
color: #1D66B2;
border-color: #1D66B2;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C2DBF5
300
#96C1EE
400
#5D9FE5
500
#247EDB
600
#1D65AF
700
#17508C
800
#123F6E
900
#113050
950
#0B1E32

Contrast Checker

Text on white

5.84:1

AA Pass AAA Fail

Text on black

3.6:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026