#181349

#181349

Color Values

HEX

#181349

RGB

24, 19, 73

HSL

245.6, 58.7%, 18.0%

HSV

245.6, 74.0%, 28.6%

CMYK

67.1%, 74.0%, 0.0%, 71.4%

OKLCH

0.234 0.0961 280.1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#181349

#444913

Analogous

#132949

#331349

#181349

Triadic

#181349

#491813

#134918

Split Complementary

#181349

#493313

#294913

Tetradic

#181349

#491329

#444913

#134933

Color Blindness Simulation

Original

#181349

Protanopia

#16163C

Deuteranopia

#161639

Tritanopia

#18322F

Achromatopsia

#181818

CSS Usage

background-color: #181349;
color: #181349;
border-color: #181349;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E6E4F6
200
#CAC6F0
300
#A59EE6
400
#7469D8
500
#4335CA
600
#352AA2
700
#2B2281
800
#211A65
900
#1C174A
950
#110E2F

Contrast Checker

Text on white

17.1:1

AA Pass AAA Pass

Text on black

1.23:1

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