#2B3373

#2B3373

Color Values

HEX

#2B3373

RGB

43, 51, 115

HSL

233.3, 45.6%, 31.0%

HSV

233.3, 62.6%, 45.1%

CMYK

62.6%, 55.7%, 0.0%, 54.9%

OKLCH

0.3523 0.1093 274.0

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#2B3373

#736B2B

Analogous

#2B5773

#472B73

#2B3373

Triadic

#2B3373

#732B33

#33732B

Split Complementary

#2B3373

#73472B

#57732B

Tetradic

#2B3373

#732B57

#736B2B

#2B7347

Color Blindness Simulation

Original

#2B3373

Protanopia

#2E2F64

Deuteranopia

#2E2D60

Tritanopia

#2B5755

Achromatopsia

#363636

CSS Usage

background-color: #2B3373;
color: #2B3373;
border-color: #2B3373;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E8F4
200
#CBCFEC
300
#A6ACDE
400
#767FCC
500
#4552BA
600
#374295
700
#2C3577
800
#23295D
900
#1D2144
950
#12152B

Contrast Checker

Text on white

11.51:1

AA Pass AAA Pass

Text on black

1.82:1

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