#181BF1

#181BF1

Color Values

HEX

#181BF1

RGB

24, 27, 241

HSL

239.2, 88.6%, 52.0%

HSV

239.2, 90.0%, 94.5%

CMYK

90.0%, 88.8%, 0.0%, 5.5%

OKLCH

0.4497 0.2886 266.3

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#181BF1

#F1EE18

Analogous

#1887F1

#8218F1

#181BF1

Triadic

#181BF1

#F1181B

#1BF118

Split Complementary

#181BF1

#F18218

#87F118

Tetradic

#181BF1

#F11887

#F1EE18

#18F182

Color Blindness Simulation

Original

#181BF1

Protanopia

#1919BD

Deuteranopia

#1919B1

Tritanopia

#18948B

Achromatopsia

#2A2A2A

CSS Usage

background-color: #181BF1;
color: #181BF1;
border-color: #181BF1;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F2F2FD
100
#E0E0FB
200
#BCBDFB
300
#8C8DF8
400
#4D4FF4
500
#0F12F0
600
#0C0EC0
700
#090B9A
800
#070978
900
#0A0B57
950
#060737

Contrast Checker

Text on white

8.52:1

AA Pass AAA Pass

Text on black

2.47:1

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