#374B57

#374B57

Color Values

HEX

#374B57

RGB

55, 75, 87

HSL

202.5, 22.5%, 27.8%

HSV

202.5, 36.8%, 34.1%

CMYK

36.8%, 13.8%, 0.0%, 65.9%

OKLCH

0.401 0.0322 235.0

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#374B57

#574337

Analogous

#375753

#373B57

#374B57

Triadic

#374B57

#57374B

#4B5737

Split Complementary

#374B57

#57373B

#575337

Tetradic

#374B57

#533757

#574337

#3B5737

Color Blindness Simulation

Original

#374B57

Protanopia

#404054

Deuteranopia

#3E3D53

Tritanopia

#385251

Achromatopsia

#484848

CSS Usage

background-color: #374B57;
color: #374B57;
border-color: #374B57;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F8F9
100
#EAEEF1
200
#D3DDE3
300
#B4C5D0
400
#8BA6B6
500
#63879C
600
#4F6C7D
700
#3F5664
800
#31434E
900
#27333A
950
#182025

Contrast Checker

Text on white

9.1:1

AA Pass AAA Pass

Text on black

2.31:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026