#1819B5

#1819B5

Color Values

HEX

#1819B5

RGB

24, 25, 181

HSL

239.6, 76.6%, 40.2%

HSV

239.6, 86.7%, 71.0%

CMYK

86.7%, 86.2%, 0.0%, 29.0%

OKLCH

0.3721 0.2267 267.9

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1819B5

#B5B418

Analogous

#1868B5

#6518B5

#1819B5

Triadic

#1819B5

#B51819

#19B518

Split Complementary

#1819B5

#B56518

#68B518

Tetradic

#1819B5

#B51868

#B5B418

#18B565

Color Blindness Simulation

Original

#1819B5

Protanopia

#18188F

Deuteranopia

#181886

Tritanopia

#18716B

Achromatopsia

#242424

CSS Usage

background-color: #1819B5;
color: #1819B5;
border-color: #1819B5;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F2FC
100
#E2E2F9
200
#C0C0F7
300
#9394F1
400
#5859E9
500
#1E1FE1
600
#1819B4
700
#131490
800
#0F1071
900
#0F0F52
950
#0A0A34

Contrast Checker

Text on white

11.38:1

AA Pass AAA Pass

Text on black

1.85:1

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