#340B66

#340B66

Color Values

HEX

#340B66

RGB

52, 11, 102

HSL

267.0, 80.5%, 22.2%

HSV

267.0, 89.2%, 40.0%

CMYK

49.0%, 89.2%, 0.0%, 60.0%

OKLCH

0.2862 0.1411 296.1

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#340B66

#3D660B

Analogous

#0B1066

#620B66

#340B66

Triadic

#340B66

#66340B

#0B6634

Split Complementary

#340B66

#66620B

#10660B

Tetradic

#340B66

#660B10

#3D660B

#0B6662

Color Blindness Simulation

Original

#340B66

Protanopia

#222250

Deuteranopia

#25284B

Tritanopia

#323F3B

Achromatopsia

#1A1A1A

CSS Usage

background-color: #340B66;
color: #340B66;
border-color: #340B66;
Nearest Tailwind: Purple 950 #3B0764

Tailwind Shades

50
#F7F2FD
100
#ECE1F9
200
#D8BFF8
300
#BD91F3
400
#9955ED
500
#7519E6
600
#5E14B8
700
#4B1093
800
#3B0C73
900
#2D0D54
950
#1C0835

Contrast Checker

Text on white

15.15:1

AA Pass AAA Pass

Text on black

1.39:1

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