#312661

#312661

Color Values

HEX

#312661

RGB

49, 38, 97

HSL

251.2, 43.7%, 26.5%

HSV

251.2, 60.8%, 38.0%

CMYK

49.5%, 60.8%, 0.0%, 62.0%

OKLCH

0.3164 0.1004 287.8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#312661

#566126

Analogous

#263961

#4F2661

#312661

Triadic

#312661

#613126

#266131

Split Complementary

#312661

#614F26

#396126

Tetradic

#312661

#612639

#566126

#26614F

Color Blindness Simulation

Original

#312661

Protanopia

#2C2C53

Deuteranopia

#2D2E4F

Tritanopia

#304745

Achromatopsia

#2D2D2D

CSS Usage

background-color: #312661;
color: #312661;
border-color: #312661;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F5FA
100
#E9E7F4
200
#D2CCEB
300
#B1A7DD
400
#8777CA
500
#5D48B7
600
#4A3993
700
#3B2E75
800
#2E245C
900
#251D44
950
#17132B

Contrast Checker

Text on white

13.29:1

AA Pass AAA Pass

Text on black

1.58:1

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