#3A5571

#3A5571

Color Values

HEX

#3A5571

RGB

58, 85, 113

HSL

210.5, 32.2%, 33.5%

HSV

210.5, 48.7%, 44.3%

CMYK

48.7%, 24.8%, 0.0%, 55.7%

OKLCH

0.4403 0.0568 250.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3A5571

#71563A

Analogous

#3A7071

#3A3A71

#3A5571

Triadic

#3A5571

#713A55

#55713A

Split Complementary

#3A5571

#713A3A

#70713A

Tetradic

#3A5571

#713A70

#71563A

#3A713A

Color Blindness Simulation

Original

#3A5571

Protanopia

#46466A

Deuteranopia

#444269

Tritanopia

#3B6564

Achromatopsia

#515151

CSS Usage

background-color: #3A5571;
color: #3A5571;
border-color: #3A5571;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DBE7
300
#AEC1D6
400
#82A0BF
500
#567FA9
600
#456587
700
#37516C
800
#2B3F54
900
#22303E
950
#161E27

Contrast Checker

Text on white

7.73:1

AA Pass AAA Pass

Text on black

2.72:1

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