#31319A

#31319A

Color Values

HEX

#31319A

RGB

49, 49, 154

HSL

240.0, 51.7%, 39.8%

HSV

240.0, 68.2%, 60.4%

CMYK

68.2%, 68.2%, 0.0%, 39.6%

OKLCH

0.3871 0.1659 275.4

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#31319A

#9A9A31

Analogous

#31659A

#65319A

#31319A

Triadic

#31319A

#9A3131

#319A31

Split Complementary

#31319A

#9A6531

#659A31

Tetradic

#31319A

#9A3165

#9A9A31

#319A65

Color Blindness Simulation

Original

#31319A

Protanopia

#313181

Deuteranopia

#31317A

Tritanopia

#316D68

Achromatopsia

#393939

CSS Usage

background-color: #31319A;
color: #31319A;
border-color: #31319A;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C9C9EE
300
#A2A2E1
400
#7070D1
500
#3E3EC1
600
#31319B
700
#27277C
800
#1F1F61
900
#1A1A47
950
#10102D

Contrast Checker

Text on white

10.31:1

AA Pass AAA Pass

Text on black

2.04:1

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