#311C87

#311C87

Color Values

HEX

#311C87

RGB

49, 28, 135

HSL

251.8, 65.6%, 32.0%

HSV

251.8, 79.3%, 52.9%

CMYK

63.7%, 79.3%, 0.0%, 47.1%

OKLCH

0.3365 0.1645 282.0

Properties

Cool Dark Nearest: purple 4

Color Harmonies

Complementary

#311C87

#72871C

Analogous

#1C3D87

#671C87

#311C87

Triadic

#311C87

#87311C

#1C8731

Split Complementary

#311C87

#87671C

#3D871C

Tetradic

#311C87

#871C3D

#72871C

#1C8767

Color Blindness Simulation

Original

#311C87

Protanopia

#28286D

Deuteranopia

#292B67

Tritanopia

#305954

Achromatopsia

#282828

CSS Usage

background-color: #311C87;
color: #311C87;
border-color: #311C87;
Nearest Tailwind: Violet 900 #4C1D95

Tailwind Shades

50
#F5F3FC
100
#E7E3F7
200
#CDC4F3
300
#A99AEA
400
#7B63DF
500
#4D2CD3
600
#3D23A9
700
#311C87
800
#26166A
900
#1F144D
950
#140D31

Contrast Checker

Text on white

12.75:1

AA Pass AAA Pass

Text on black

1.65:1

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