#374F5F

#374F5F

Color Values

HEX

#374F5F

RGB

55, 79, 95

HSL

204.0, 26.7%, 29.4%

HSV

204.0, 42.1%, 37.3%

CMYK

42.1%, 16.8%, 0.0%, 62.7%

OKLCH

0.4147 0.0398 238.2

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#374F5F

#5F4737

Analogous

#375F5B

#373B5F

#374F5F

Triadic

#374F5F

#5F374F

#4F5F37

Split Complementary

#374F5F

#5F373B

#5F5B37

Tetradic

#374F5F

#5B375F

#5F4737

#3B5F37

Color Blindness Simulation

Original

#374F5F

Protanopia

#41425B

Deuteranopia

#403E5A

Tritanopia

#385857

Achromatopsia

#4B4B4B

CSS Usage

background-color: #374F5F;
color: #374F5F;
border-color: #374F5F;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D2DDE5
300
#B1C5D2
400
#87A6BA
500
#5D86A2
600
#4B6B81
700
#3C5667
800
#2F4351
900
#25333C
950
#172026

Contrast Checker

Text on white

8.59:1

AA Pass AAA Pass

Text on black

2.45:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026