#3975AA

#3975AA

Color Values

HEX

#3975AA

RGB

57, 117, 170

HSL

208.1, 49.8%, 44.5%

HSV

208.1, 66.5%, 66.7%

CMYK

66.5%, 31.2%, 0.0%, 33.3%

OKLCH

0.5468 0.104 247.7

Properties

Cool Dark Nearest: steelblue

Color Harmonies

Complementary

#3975AA

#AA6E39

Analogous

#39AAA6

#393DAA

#3975AA

Triadic

#3975AA

#AA3975

#75AA39

Split Complementary

#3975AA

#AA393D

#AAA639

Tetradic

#3975AA

#A639AA

#AA6E39

#3DAA39

Color Blindness Simulation

Original

#3975AA

Protanopia

#53549D

Deuteranopia

#504B9A

Tritanopia

#3C9391

Achromatopsia

#6C6C6C

CSS Usage

background-color: #3975AA;
color: #3975AA;
border-color: #3975AA;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F8FB
100
#E6EEF5
200
#CADCED
300
#A3C4E0
400
#72A4D0
500
#4084BF
600
#336999
700
#29547A
800
#20425F
900
#1B3246
950
#111F2C

Contrast Checker

Text on white

4.88:1

AA Pass AAA Fail

Text on black

4.3:1

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