#3F5778

#3F5778

Color Values

HEX

#3F5778

RGB

63, 87, 120

HSL

214.7, 31.1%, 35.9%

HSV

214.7, 47.5%, 47.1%

CMYK

47.5%, 27.5%, 0.0%, 52.9%

OKLCH

0.4519 0.0618 256.5

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F5778

#78603F

Analogous

#3F7478

#443F78

#3F5778

Triadic

#3F5778

#783F57

#57783F

Split Complementary

#3F5778

#78443F

#74783F

Tetradic

#3F5778

#783F74

#78603F

#3F7844

Color Blindness Simulation

Original

#3F5778

Protanopia

#494A70

Deuteranopia

#48466E

Tritanopia

#406A68

Achromatopsia

#545454

CSS Usage

background-color: #3F5778;
color: #3F5778;
border-color: #3F5778;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E8ECF2
200
#D0DAE6
300
#AFBFD5
400
#839CBE
500
#5879A7
600
#466186
700
#384E6B
800
#2C3D54
900
#232E3E
950
#161D27

Contrast Checker

Text on white

7.38:1

AA Pass AAA Pass

Text on black

2.85:1

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