#374F63

#374F63

Color Values

HEX

#374F63

RGB

55, 79, 99

HSL

207.3, 28.6%, 30.2%

HSV

207.3, 44.4%, 38.8%

CMYK

44.4%, 20.2%, 0.0%, 61.2%

OKLCH

0.4166 0.0447 244.3

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#374F63

#634B37

Analogous

#376361

#373963

#374F63

Triadic

#374F63

#63374F

#4F6337

Split Complementary

#374F63

#633739

#636137

Tetradic

#374F63

#613763

#634B37

#396337

Color Blindness Simulation

Original

#374F63

Protanopia

#41425E

Deuteranopia

#403E5D

Tritanopia

#385A5A

Achromatopsia

#4B4B4B

CSS Usage

background-color: #374F63;
color: #374F63;
border-color: #374F63;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F8F9
100
#E9EEF1
200
#D1DCE6
300
#B0C3D3
400
#86A3BC
500
#5B83A4
600
#496983
700
#3A5469
800
#2E4152
900
#24323D
950
#171F26

Contrast Checker

Text on white

8.53:1

AA Pass AAA Pass

Text on black

2.46:1

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