#2B3F61

#2B3F61

Color Values

HEX

#2B3F61

RGB

43, 63, 97

HSL

217.8, 38.6%, 27.5%

HSV

217.8, 55.7%, 38.0%

CMYK

55.7%, 35.1%, 0.0%, 62.0%

OKLCH

0.3676 0.0644 260.6

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#2B3F61

#614D2B

Analogous

#2B5A61

#322B61

#2B3F61

Triadic

#2B3F61

#612B3F

#3F612B

Split Complementary

#2B3F61

#61322B

#5A612B

Tetradic

#2B3F61

#612B5A

#614D2B

#2B6132

Color Blindness Simulation

Original

#2B3F61

Protanopia

#343459

Deuteranopia

#323157

Tritanopia

#2C5251

Achromatopsia

#3D3D3D

CSS Usage

background-color: #2B3F61;
color: #2B3F61;
border-color: #2B3F61;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CED8E9
300
#AABCD9
400
#7C97C5
500
#4E73B1
600
#3F5C8D
700
#324971
800
#273958
900
#202C41
950
#141C29

Contrast Checker

Text on white

10.57:1

AA Pass AAA Pass

Text on black

1.99:1

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