#313F63

#313F63

Color Values

HEX

#313F63

RGB

49, 63, 99

HSL

223.2, 33.8%, 29.0%

HSV

223.2, 50.5%, 38.8%

CMYK

50.5%, 36.4%, 0.0%, 61.2%

OKLCH

0.3729 0.0648 267.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#313F63

#635531

Analogous

#315863

#3C3163

#313F63

Triadic

#313F63

#63313F

#3F6331

Split Complementary

#313F63

#633C31

#586331

Tetradic

#313F63

#633158

#635531

#31633C

Color Blindness Simulation

Original

#313F63

Protanopia

#37375A

Deuteranopia

#363558

Tritanopia

#325352

Achromatopsia

#3F3F3F

CSS Usage

background-color: #313F63;
color: #313F63;
border-color: #313F63;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F6FA
100
#E8EBF2
200
#CFD6E7
300
#ADB9D6
400
#8193C1
500
#546DAB
600
#445788
700
#36456D
800
#2A3655
900
#222A3F
950
#151B28

Contrast Checker

Text on white

10.39:1

AA Pass AAA Pass

Text on black

2.02:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026