#1F2944

#1F2944

Color Values

HEX

#1F2944

RGB

31, 41, 68

HSL

223.8, 37.4%, 19.4%

HSV

223.8, 54.4%, 26.7%

CMYK

54.4%, 39.7%, 0.0%, 73.3%

OKLCH

0.2857 0.0517 267.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#1F2944

#443A1F

Analogous

#1F3B44

#271F44

#1F2944

Triadic

#1F2944

#441F29

#29441F

Split Complementary

#1F2944

#44271F

#3B441F

Tetradic

#1F2944

#441F3B

#443A1F

#1F4427

Color Blindness Simulation

Original

#1F2944

Protanopia

#23233D

Deuteranopia

#23223C

Tritanopia

#203837

Achromatopsia

#292929

CSS Usage

background-color: #1F2944;
color: #1F2944;
border-color: #1F2944;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6FA
100
#E7EBF3
200
#CED5E9
300
#ABB7D9
400
#7D90C4
500
#506AAF
600
#40548C
700
#334470
800
#283558
900
#202941
950
#141A29

Contrast Checker

Text on white

14.39:1

AA Pass AAA Pass

Text on black

1.46:1

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