#1B1CEE

#1B1CEE

Color Values

HEX

#1B1CEE

RGB

27, 28, 238

HSL

239.7, 86.1%, 52.0%

HSV

239.7, 88.7%, 93.3%

CMYK

88.7%, 88.2%, 0.0%, 6.7%

OKLCH

0.4474 0.2845 266.7

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#1B1CEE

#EEED1B

Analogous

#1B86EE

#841BEE

#1B1CEE

Triadic

#1B1CEE

#EE1B1C

#1CEE1B

Split Complementary

#1B1CEE

#EE841B

#86EE1B

Tetradic

#1B1CEE

#EE1B86

#EEED1B

#1BEE84

Color Blindness Simulation

Original

#1B1CEE

Protanopia

#1B1BBB

Deuteranopia

#1B1BAF

Tritanopia

#1B938A

Achromatopsia

#2B2B2B

CSS Usage

background-color: #1B1CEE;
color: #1B1CEE;
border-color: #1B1CEE;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F2F2FD
100
#E0E0FA
200
#BDBDFA
300
#8D8EF6
400
#4F50F2
500
#1213ED
600
#0E0FBE
700
#0B0C98
800
#090977
900
#0B0B56
950
#070736

Contrast Checker

Text on white

8.58:1

AA Pass AAA Pass

Text on black

2.45:1

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