#21395F

#21395F

Color Values

HEX

#21395F

RGB

33, 57, 95

HSL

216.8, 48.4%, 25.1%

HSV

216.8, 65.3%, 37.3%

CMYK

65.3%, 40.0%, 0.0%, 62.7%

OKLCH

0.3453 0.0734 259.2

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#21395F

#5F4721

Analogous

#21585F

#28215F

#21395F

Triadic

#21395F

#5F2139

#395F21

Split Complementary

#21395F

#5F2821

#585F21

Tetradic

#21395F

#5F2158

#5F4721

#215F28

Color Blindness Simulation

Original

#21395F

Protanopia

#2B2C56

Deuteranopia

#2A2854

Tritanopia

#224F4D

Achromatopsia

#373737

CSS Usage

background-color: #21395F;
color: #21395F;
border-color: #21395F;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FA
100
#E6EBF4
200
#CAD7ED
300
#A4BBDF
400
#7396CE
500
#4272BD
600
#355B97
700
#2A4979
800
#21395F
900
#1B2C46
950
#111C2C

Contrast Checker

Text on white

11.57:1

AA Pass AAA Pass

Text on black

1.82:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026