#1B1099

#1B1099

Color Values

HEX

#1B1099

RGB

27, 16, 153

HSL

244.8, 81.1%, 33.1%

HSV

244.8, 89.5%, 60.0%

CMYK

82.4%, 89.5%, 0.0%, 40.0%

OKLCH

0.3296 0.2001 270.6

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1B1099

#8E9910

Analogous

#104999

#5F1099

#1B1099

Triadic

#1B1099

#991B10

#10991B

Split Complementary

#1B1099

#995F10

#499910

Tetradic

#1B1099

#991049

#8E9910

#10995F

Color Blindness Simulation

Original

#1B1099

Protanopia

#161678

Deuteranopia

#171870

Tritanopia

#1A5E58

Achromatopsia

#1C1C1C

CSS Usage

background-color: #1B1099;
color: #1B1099;
border-color: #1B1099;
Nearest Tailwind: Violet 800 #5B21B6

Tailwind Shades

50
#F3F2FD
100
#E3E1F9
200
#C3BEF8
300
#9890F3
400
#6054ED
500
#2918E7
600
#2113B9
700
#1A0F94
800
#140C73
900
#130D54
950
#0C0835

Contrast Checker

Text on white

13.29:1

AA Pass AAA Pass

Text on black

1.58:1

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