#301231

#301231

Color Values

HEX

#301231

RGB

48, 18, 49

HSL

298.1, 46.3%, 13.1%

HSV

298.1, 63.3%, 19.2%

CMYK

2.0%, 63.3%, 0.0%, 80.8%

OKLCH

0.2428 0.0689 326.2

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#301231

#133112

Analogous

#201231

#311222

#301231

Triadic

#301231

#313012

#123130

Split Complementary

#301231

#223112

#123120

Tetradic

#301231

#312012

#133112

#122231

Color Blindness Simulation

Original

#301231

Protanopia

#23232A

Deuteranopia

#252728

Tritanopia

#2E2422

Achromatopsia

#1B1B1B

CSS Usage

background-color: #301231;
color: #301231;
border-color: #301231;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FAF4FA
100
#F4E6F4
200
#EBCBEC
300
#DCA5DE
400
#CA75CC
500
#B744BB
600
#923795
700
#752C77
800
#5B225D
900
#431C45
950
#2B122B

Contrast Checker

Text on white

16.71:1

AA Pass AAA Pass

Text on black

1.26:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026