#2F3157

#2F3157

Color Values

HEX

#2F3157

RGB

47, 49, 87

HSL

237.0, 29.9%, 26.3%

HSV

237.0, 46.0%, 34.1%

CMYK

46.0%, 43.7%, 0.0%, 65.9%

OKLCH

0.3307 0.0666 279.8

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#2F3157

#57552F

Analogous

#2F4557

#412F57

#2F3157

Triadic

#2F3157

#572F31

#31572F

Split Complementary

#2F3157

#57412F

#45572F

Tetradic

#2F3157

#572F45

#57552F

#2F5741

Color Blindness Simulation

Original

#2F3157

Protanopia

#30304E

Deuteranopia

#30304C

Tritanopia

#2F4745

Achromatopsia

#333333

CSS Usage

background-color: #2F3157;
color: #2F3157;
border-color: #2F3157;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F6F9
100
#E9E9F2
200
#D1D2E6
300
#B0B1D4
400
#8487BD
500
#595DA6
600
#484B84
700
#393C6A
800
#2D2F53
900
#23253D
950
#161727

Contrast Checker

Text on white

12.37:1

AA Pass AAA Pass

Text on black

1.7:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026