#3B3757

#3B3757

Color Values

HEX

#3B3757

RGB

59, 55, 87

HSL

247.5, 22.5%, 27.8%

HSV

247.5, 36.8%, 34.1%

CMYK

32.2%, 36.8%, 0.0%, 65.9%

OKLCH

0.3556 0.0549 289.0

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#3B3757

#535737

Analogous

#374357

#4B3757

#3B3757

Triadic

#3B3757

#573B37

#37573B

Split Complementary

#3B3757

#574B37

#435737

Tetradic

#3B3757

#573743

#535737

#37574B

Color Blindness Simulation

Original

#3B3757

Protanopia

#39394F

Deuteranopia

#3A3A4D

Tritanopia

#3B4948

Achromatopsia

#3A3A3A

CSS Usage

background-color: #3B3757;
color: #3B3757;
border-color: #3B3757;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EBEAF1
200
#D5D3E3
300
#B7B4D0
400
#918BB6
500
#6A639C
600
#554F7D
700
#443F64
800
#35314E
900
#29273A
950
#1A1825

Contrast Checker

Text on white

11.23:1

AA Pass AAA Pass

Text on black

1.87:1

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