#3A3366

#3A3366

Color Values

HEX

#3A3366

RGB

58, 51, 102

HSL

248.2, 33.3%, 30.0%

HSV

248.2, 50.0%, 40.0%

CMYK

43.1%, 50.0%, 0.0%, 60.0%

OKLCH

0.3552 0.0862 287.5

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#3A3366

#5F6633

Analogous

#334666

#533366

#3A3366

Triadic

#3A3366

#663A33

#33663A

Split Complementary

#3A3366

#665333

#466633

Tetradic

#3A3366

#663346

#5F6633

#336653

Color Blindness Simulation

Original

#3A3366

Protanopia

#37375A

Deuteranopia

#373857

Tritanopia

#3A504E

Achromatopsia

#383838

CSS Usage

background-color: #3A3366;
color: #3A3366;
border-color: #3A3366;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F6F5FA
100
#E9E8F2
200
#D3CFE7
300
#B3ADD6
400
#8A81C0
500
#6155AA
600
#4D4488
700
#3E366D
800
#302B55
900
#26223F
950
#181528

Contrast Checker

Text on white

11.38:1

AA Pass AAA Pass

Text on black

1.85:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026