#312281

#312281

Color Values

HEX

#312281

RGB

49, 34, 129

HSL

249.5, 58.3%, 32.0%

HSV

249.5, 73.6%, 50.6%

CMYK

62.0%, 73.6%, 0.0%, 49.4%

OKLCH

0.3386 0.1505 282.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#312281

#728122

Analogous

#224381

#612281

#312281

Triadic

#312281

#813122

#228131

Split Complementary

#312281

#816122

#438122

Tetradic

#312281

#812243

#728122

#228161

Color Blindness Simulation

Original

#312281

Protanopia

#2B2A6A

Deuteranopia

#2B2C64

Tritanopia

#305854

Achromatopsia

#2C2C2C

CSS Usage

background-color: #312281;
color: #312281;
border-color: #312281;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FB
100
#E7E4F6
200
#CDC6F0
300
#A99EE5
400
#7B6AD8
500
#4D35CA
600
#3D2BA1
700
#312281
800
#261B65
900
#1F174A
950
#140F2F

Contrast Checker

Text on white

12.53:1

AA Pass AAA Pass

Text on black

1.68:1

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