#374057

#374057

Color Values

HEX

#374057

RGB

55, 64, 87

HSL

223.1, 22.5%, 27.8%

HSV

223.1, 36.8%, 34.1%

CMYK

36.8%, 26.4%, 0.0%, 65.9%

OKLCH

0.3734 0.0415 267.8

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#374057

#574E37

Analogous

#375057

#3E3757

#374057

Triadic

#374057

#573740

#405737

Split Complementary

#374057

#573E37

#505737

Tetradic

#374057

#573750

#574E37

#37573E

Color Blindness Simulation

Original

#374057

Protanopia

#3B3B51

Deuteranopia

#3A3A50

Tritanopia

#374D4C

Achromatopsia

#404040

CSS Usage

background-color: #374057;
color: #374057;
border-color: #374057;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#EAECF1
200
#D3D8E3
300
#B4BCD0
400
#8B97B6
500
#63739C
600
#4F5C7D
700
#3F4A64
800
#31394E
900
#272C3A
950
#181C25

Contrast Checker

Text on white

10.33:1

AA Pass AAA Pass

Text on black

2.03:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026