#15538C

#15538C

Color Values

HEX

#15538C

RGB

21, 83, 140

HSL

208.7, 73.9%, 31.6%

HSV

208.7, 85.0%, 54.9%

CMYK

85.0%, 40.7%, 0.0%, 45.1%

OKLCH

0.4352 0.112 250.9

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#15538C

#8C4E15

Analogous

#158C8A

#15188C

#15538C

Triadic

#15538C

#8C1553

#538C15

Split Complementary

#15538C

#8C1518

#8C8A15

Tetradic

#15538C

#8A158C

#8C4E15

#188C15

Color Blindness Simulation

Original

#15538C

Protanopia

#30307E

Deuteranopia

#2C287B

Tritanopia

#187371

Achromatopsia

#4A4A4A

CSS Usage

background-color: #15538C;
color: #15538C;
border-color: #15538C;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F3F8FC
100
#E2EEF8
200
#C1DCF6
300
#95C4EF
400
#5BA4E6
500
#2184DE
600
#1B69B1
700
#15548E
800
#11426F
900
#103251
950
#0A1F33

Contrast Checker

Text on white

7.93:1

AA Pass AAA Pass

Text on black

2.65:1

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