#1B1671

#1B1671

Color Values

HEX

#1B1671

RGB

27, 22, 113

HSL

243.3, 67.4%, 26.5%

HSV

243.3, 80.5%, 44.3%

CMYK

76.1%, 80.5%, 0.0%, 55.7%

OKLCH

0.2862 0.1475 274.2

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#1B1671

#6C7116

Analogous

#163F71

#491671

#1B1671

Triadic

#1B1671

#711B16

#16711B

Split Complementary

#1B1671

#714916

#3F7116

Tetradic

#1B1671

#71163F

#6C7116

#167149

Color Blindness Simulation

Original

#1B1671

Protanopia

#19195B

Deuteranopia

#191A56

Tritanopia

#1B4A46

Achromatopsia

#1E1E1E

CSS Usage

background-color: #1B1671;
color: #1B1671;
border-color: #1B1671;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F3F3FC
100
#E4E3F7
200
#C6C3F3
300
#9D99EB
400
#6861E0
500
#332AD5
600
#2921AB
700
#211B89
800
#1A156B
900
#16134E
950
#0E0C31

Contrast Checker

Text on white

15.0:1

AA Pass AAA Pass

Text on black

1.4:1

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