#37213F

#37213F

Color Values

HEX

#37213F

RGB

55, 33, 63

HSL

284.0, 31.2%, 18.8%

HSV

284.0, 47.6%, 24.7%

CMYK

12.7%, 47.6%, 0.0%, 75.3%

OKLCH

0.2896 0.0602 316.6

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#37213F

#293F21

Analogous

#28213F

#3F2138

#37213F

Triadic

#37213F

#3F3721

#213F37

Split Complementary

#37213F

#383F21

#213F28

Tetradic

#37213F

#3F2821

#293F21

#21383F

Color Blindness Simulation

Original

#37213F

Protanopia

#2D2D38

Deuteranopia

#2F3036

Tritanopia

#363231

Achromatopsia

#282828

CSS Usage

background-color: #37213F;
color: #37213F;
border-color: #37213F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F5F9
100
#EFE8F2
200
#E0D0E6
300
#CBAFD5
400
#AE83BE
500
#9258A7
600
#754686
700
#5D386B
800
#492C54
900
#37233E
950
#231627

Contrast Checker

Text on white

14.47:1

AA Pass AAA Pass

Text on black

1.45:1

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