#181B6D

#181B6D

Color Values

HEX

#181B6D

RGB

24, 27, 109

HSL

237.9, 63.9%, 26.1%

HSV

237.9, 78.0%, 42.7%

CMYK

78.0%, 75.2%, 0.0%, 57.3%

OKLCH

0.2873 0.1377 272.1

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#181B6D

#6D6A18

Analogous

#18466D

#40186D

#181B6D

Triadic

#181B6D

#6D181B

#1B6D18

Split Complementary

#181B6D

#6D4018

#466D18

Tetradic

#181B6D

#6D1846

#6D6A18

#186D40

Color Blindness Simulation

Original

#181B6D

Protanopia

#191959

Deuteranopia

#191954

Tritanopia

#184946

Achromatopsia

#202020

CSS Usage

background-color: #181B6D;
color: #181B6D;
border-color: #181B6D;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F3F3FC
100
#E3E4F7
200
#C4C6F2
300
#9B9DE9
400
#6469DD
500
#2E34D1
600
#2529A7
700
#1D2186
800
#171A68
900
#15174C
950
#0D0E30

Contrast Checker

Text on white

14.83:1

AA Pass AAA Pass

Text on black

1.42:1

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