#3A457F

#3A457F

Color Values

HEX

#3A457F

RGB

58, 69, 127

HSL

230.4, 37.3%, 36.3%

HSV

230.4, 54.3%, 49.8%

CMYK

54.3%, 45.7%, 0.0%, 50.2%

OKLCH

0.4109 0.0976 273.3

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#3A457F

#7F743A

Analogous

#3A687F

#523A7F

#3A457F

Triadic

#3A457F

#7F3A45

#457F3A

Split Complementary

#3A457F

#7F523A

#687F3A

Tetradic

#3A457F

#7F3A68

#7F743A

#3A7F52

Color Blindness Simulation

Original

#3A457F

Protanopia

#3F3F71

Deuteranopia

#3E3D6E

Tritanopia

#3B6663

Achromatopsia

#474747

CSS Usage

background-color: #3A457F;
color: #3A457F;
border-color: #3A457F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F6FA
100
#E7E9F3
200
#CED2E9
300
#ABB2D9
400
#7D89C4
500
#505FAF
600
#404C8C
700
#333D70
800
#283058
900
#202541
950
#141829

Contrast Checker

Text on white

8.98:1

AA Pass AAA Pass

Text on black

2.34:1

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