#375B79

#375B79

Color Values

HEX

#375B79

RGB

55, 91, 121

HSL

207.3, 37.5%, 34.5%

HSV

207.3, 54.5%, 47.5%

CMYK

54.5%, 24.8%, 0.0%, 52.5%

OKLCH

0.4573 0.0645 245.0

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#375B79

#795537

Analogous

#377976

#373A79

#375B79

Triadic

#375B79

#79375B

#5B7937

Split Complementary

#375B79

#79373A

#797637

Tetradic

#375B79

#763779

#795537

#3A7937

Color Blindness Simulation

Original

#375B79

Protanopia

#474772

Deuteranopia

#444270

Tritanopia

#396C6B

Achromatopsia

#565656

CSS Usage

background-color: #375B79;
color: #375B79;
border-color: #375B79;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CEDDE9
300
#ABC4D9
400
#7DA4C4
500
#5084AF
600
#40698C
700
#335470
800
#284258
900
#203241
950
#142029

Contrast Checker

Text on white

7.16:1

AA Pass AAA Pass

Text on black

2.93:1

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