#191C3F

#191C3F

Color Values

HEX

#191C3F

RGB

25, 28, 63

HSL

235.3, 43.2%, 17.3%

HSV

235.3, 60.3%, 24.7%

CMYK

60.3%, 55.6%, 0.0%, 75.3%

OKLCH

0.2449 0.0657 276.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#191C3F

#3F3C19

Analogous

#192F3F

#29193F

#191C3F

Triadic

#191C3F

#3F191C

#1C3F19

Split Complementary

#191C3F

#3F2919

#2F3F19

Tetradic

#191C3F

#3F192F

#3F3C19

#193F29

Color Blindness Simulation

Original

#191C3F

Protanopia

#1A1A37

Deuteranopia

#1A1A34

Tritanopia

#19302E

Achromatopsia

#1E1E1E

CSS Usage

background-color: #191C3F;
color: #191C3F;
border-color: #191C3F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E7E8F4
200
#CCCEEB
300
#A7ACDC
400
#787EC9
500
#4851B7
600
#3A4192
700
#2E3475
800
#24295B
900
#1E2143
950
#13152A

Contrast Checker

Text on white

16.42:1

AA Pass AAA Pass

Text on black

1.28:1

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