#373B4D

#373B4D

Color Values

HEX

#373B4D

RGB

55, 59, 77

HSL

229.1, 16.7%, 25.9%

HSV

229.1, 28.6%, 30.2%

CMYK

28.6%, 23.4%, 0.0%, 69.8%

OKLCH

0.3561 0.0317 274.9

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#373B4D

#4D4937

Analogous

#37464D

#3E374D

#373B4D

Triadic

#373B4D

#4D373B

#3B4D37

Split Complementary

#373B4D

#4D3E37

#464D37

Tetradic

#373B4D

#4D3746

#4D4937

#374D3E

Color Blindness Simulation

Original

#373B4D

Protanopia

#393949

Deuteranopia

#383848

Tritanopia

#374544

Achromatopsia

#3B3B3B

CSS Usage

background-color: #373B4D;
color: #373B4D;
border-color: #373B4D;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F8
100
#EBECF0
200
#D5D8E1
300
#B8BBCC
400
#9197B0
500
#6A7295
600
#555B77
700
#44495F
800
#35394A
900
#292C38
950
#1A1C23

Contrast Checker

Text on white

11.08:1

AA Pass AAA Pass

Text on black

1.9:1

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