#1F2248

#1F2248

Color Values

HEX

#1F2248

RGB

31, 34, 72

HSL

235.6, 39.8%, 20.2%

HSV

235.6, 56.9%, 28.2%

CMYK

56.9%, 52.8%, 0.0%, 71.8%

OKLCH

0.2713 0.0696 277.3

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#1F2248

#48451F

Analogous

#1F3748

#311F48

#1F2248

Triadic

#1F2248

#481F22

#22481F

Split Complementary

#1F2248

#48311F

#37481F

Tetradic

#1F2248

#481F37

#48451F

#1F4831

Color Blindness Simulation

Original

#1F2248

Protanopia

#20203F

Deuteranopia

#20203D

Tritanopia

#1F3836

Achromatopsia

#242424

CSS Usage

background-color: #1F2248;
color: #1F2248;
border-color: #1F2248;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDCFEA
300
#A9ADDA
400
#7B81C6
500
#4D54B2
600
#3D438F
700
#313672
800
#262A59
900
#1F2242
950
#14152A

Contrast Checker

Text on white

15.21:1

AA Pass AAA Pass

Text on black

1.38:1

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