#311746

#311746

Color Values

HEX

#311746

RGB

49, 23, 70

HSL

273.2, 50.5%, 18.2%

HSV

273.2, 67.1%, 27.5%

CMYK

30.0%, 67.1%, 0.0%, 72.5%

OKLCH

0.2675 0.0866 307.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#311746

#2C4617

Analogous

#191746

#461743

#311746

Triadic

#311746

#463117

#174631

Split Complementary

#311746

#434617

#174619

Tetradic

#311746

#461917

#2C4617

#174346

Color Blindness Simulation

Original

#311746

Protanopia

#26263B

Deuteranopia

#272938

Tritanopia

#303230

Achromatopsia

#202020

CSS Usage

background-color: #311746;
color: #311746;
border-color: #311746;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F4FB
100
#EEE5F5
200
#DDC9ED
300
#C5A3E1
400
#A671D0
500
#863FC0
600
#6B329A
700
#56287B
800
#432060
900
#331A46
950
#20112D

Contrast Checker

Text on white

15.65:1

AA Pass AAA Pass

Text on black

1.34:1

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