#1F189B

#1F189B

Color Values

HEX

#1F189B

RGB

31, 24, 155

HSL

243.2, 73.2%, 35.1%

HSV

243.2, 84.5%, 60.8%

CMYK

80.0%, 84.5%, 0.0%, 39.2%

OKLCH

0.3419 0.1961 271.4

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1F189B

#949B18

Analogous

#18539B

#60189B

#1F189B

Triadic

#1F189B

#9B1F18

#189B1F

Split Complementary

#1F189B

#9B6018

#539B18

Tetradic

#1F189B

#9B1853

#949B18

#189B60

Color Blindness Simulation

Original

#1F189B

Protanopia

#1C1C7B

Deuteranopia

#1C1D74

Tritanopia

#1F625D

Achromatopsia

#232323

CSS Usage

background-color: #1F189B;
color: #1F189B;
border-color: #1F189B;
Nearest Tailwind: Violet 900 #4C1D95

Tailwind Shades

50
#F3F3FC
100
#E3E2F8
200
#C4C1F5
300
#9A95EF
400
#635CE6
500
#2C22DD
600
#231BB1
700
#1C168D
800
#16116E
900
#141150
950
#0D0A33

Contrast Checker

Text on white

12.63:1

AA Pass AAA Pass

Text on black

1.66:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026