#15375A

#15375A

Color Values

HEX

#15375A

RGB

21, 55, 90

HSL

210.4, 62.2%, 21.8%

HSV

210.4, 76.7%, 35.3%

CMYK

76.7%, 38.9%, 0.0%, 64.7%

OKLCH

0.331 0.0736 251.6

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#15375A

#5A3815

Analogous

#155A5A

#15155A

#15375A

Triadic

#15375A

#5A1537

#375A15

Split Complementary

#15375A

#5A1515

#5A5A15

Tetradic

#15375A

#5A155A

#5A3815

#155A15

Color Blindness Simulation

Original

#15375A

Protanopia

#242452

Deuteranopia

#221F50

Tritanopia

#174B49

Achromatopsia

#323232

CSS Usage

background-color: #15375A;
color: #15375A;
border-color: #15375A;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F7FB
100
#E4EDF7
200
#C5DBF2
300
#9CC1E8
400
#66A0DB
500
#307ECF
600
#2765A5
700
#1F5184
800
#183F67
900
#15304C
950
#0D1E30

Contrast Checker

Text on white

12.17:1

AA Pass AAA Pass

Text on black

1.73:1

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