#311043

#311043

Color Values

HEX

#311043

RGB

49, 16, 67

HSL

278.8, 61.4%, 16.3%

HSV

278.8, 76.1%, 26.3%

CMYK

26.9%, 76.1%, 0.0%, 73.7%

OKLCH

0.2543 0.0945 311.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#311043

#224310

Analogous

#181043

#43103C

#311043

Triadic

#311043

#433110

#104331

Split Complementary

#311043

#3C4310

#104318

Tetradic

#311043

#431810

#224310

#103C43

Color Blindness Simulation

Original

#311043

Protanopia

#232237

Deuteranopia

#252734

Tritanopia

#2F2D2B

Achromatopsia

#1B1B1B

CSS Usage

background-color: #311043;
color: #311043;
border-color: #311043;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F3FB
100
#F0E4F6
200
#E2C5F1
300
#CD9CE7
400
#B267DB
500
#9631CE
600
#7827A5
700
#601F84
800
#4B1967
900
#38164B
950
#240E30

Contrast Checker

Text on white

16.33:1

AA Pass AAA Pass

Text on black

1.29:1

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