#2B3390

#2B3390

Color Values

HEX

#2B3390

RGB

43, 51, 144

HSL

235.2, 54.0%, 36.7%

HSV

235.2, 70.1%, 56.5%

CMYK

70.1%, 64.6%, 0.0%, 43.5%

OKLCH

0.3774 0.1514 272.9

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#2B3390

#90882B

Analogous

#2B6690

#552B90

#2B3390

Triadic

#2B3390

#902B33

#33902B

Split Complementary

#2B3390

#90552B

#66902B

Tetradic

#2B3390

#902B66

#90882B

#2B9055

Color Blindness Simulation

Original

#2B3390

Protanopia

#2E2F7A

Deuteranopia

#2E2D74

Tritanopia

#2B6864

Achromatopsia

#383838

CSS Usage

background-color: #2B3390;
color: #2B3390;
border-color: #2B3390;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C8CBEF
300
#A1A6E3
400
#6E76D4
500
#3B46C4
600
#2F389D
700
#262D7E
800
#1D2362
900
#191D48
950
#10122D

Contrast Checker

Text on white

10.61:1

AA Pass AAA Pass

Text on black

1.98:1

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