#1F092F

#1F092F

Color Values

HEX

#1F092F

RGB

31, 9, 47

HSL

274.7, 67.9%, 11.0%

HSV

274.7, 80.9%, 18.4%

CMYK

34.0%, 80.9%, 0.0%, 81.6%

OKLCH

0.1995 0.0738 307.6

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1F092F

#192F09

Analogous

#0C092F

#2F092C

#1F092F

Triadic

#1F092F

#2F1F09

#092F1F

Split Complementary

#1F092F

#2C2F09

#092F0C

Tetradic

#1F092F

#2F0C09

#192F09

#092C2F

Color Blindness Simulation

Original

#1F092F

Protanopia

#151526

Deuteranopia

#171824

Tritanopia

#1E1F1D

Achromatopsia

#101010

CSS Usage

background-color: #1F092F;
color: #1F092F;
border-color: #1F092F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F3FC
100
#EFE3F7
200
#DFC3F4
300
#C898EB
400
#AB61E1
500
#8D29D6
600
#7121AB
700
#5A1A89
800
#47146B
900
#35134E
950
#220C31

Contrast Checker

Text on white

18.45:1

AA Pass AAA Pass

Text on black

1.14:1

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