#313166

#313166

Color Values

HEX

#313166

RGB

49, 49, 102

HSL

240,0, 35,1%, 29,6%

HSV

240,0, 52,0%, 40,0%

CMYK

52,0%, 52,0%, 0,0%, 60,0%

OKLCH

0,3428 0,0906 280,5

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#313166

#666631

Analogous

#314B66

#4B3166

#313166

Triadic

#313166

#663131

#316631

Split Complementary

#313166

#664B31

#4B6631

Tetradic

#313166

#66314B

#666631

#31664B

Color Blindness Simulation

Original

#313166

Protanopia

#313159

Deuteranopia

#313156

Tritanopia

#314F4D

Achromatopsia

#353535

CSS Usage

background-color: #313166;
color: #313166;
border-color: #313166;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E8E8F2
200
#CFCFE8
300
#ACACD7
400
#8080C2
500
#5353AC
600
#42428A
700
#35356E
800
#292956
900
#212140
950
#151528

Contrast Checker

Text on white

11,92:1

AA Pass AAA Pass

Text on black

1,76:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026