#3B5973

#3B5973

Color Values

HEX

#3B5973

RGB

59, 89, 115

HSL

207.9, 32.2%, 34.1%

HSV

207.9, 48.7%, 45.1%

CMYK

48.7%, 22.6%, 0.0%, 54.9%

OKLCH

0.4517 0.0557 245.6

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#3B5973

#73553B

Analogous

#3B7371

#3B3D73

#3B5973

Triadic

#3B5973

#733B59

#59733B

Split Complementary

#3B5973

#733B3D

#73713B

Tetradic

#3B5973

#713B73

#73553B

#3D733B

Color Blindness Simulation

Original

#3B5973

Protanopia

#48486D

Deuteranopia

#46446B

Tritanopia

#3C6867

Achromatopsia

#545454

CSS Usage

background-color: #3B5973;
color: #3B5973;
border-color: #3B5973;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DCE7
300
#AEC3D6
400
#82A3BF
500
#5682A9
600
#456887
700
#37536C
800
#2B4154
900
#22313E
950
#161F27

Contrast Checker

Text on white

7.34:1

AA Pass AAA Pass

Text on black

2.86:1

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