#3A737F

#3A737F

Color Values

HEX

#3A737F

RGB

58, 115, 127

HSL

190.4, 37.3%, 36.3%

HSV

190.4, 54.3%, 49.8%

CMYK

54.3%, 9.4%, 0.0%, 50.2%

OKLCH

0.5218 0.0625 213.1

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#3A737F

#7F463A

Analogous

#3A7F69

#3A517F

#3A737F

Triadic

#3A737F

#7F3A73

#737F3A

Split Complementary

#3A737F

#7F3A51

#7F693A

Tetradic

#3A737F

#693A7F

#7F463A

#517F3A

Color Blindness Simulation

Original

#3A737F

Protanopia

#53537C

Deuteranopia

#4F4B7B

Tritanopia

#3D7A79

Achromatopsia

#686868

CSS Usage

background-color: #3A737F;
color: #3A737F;
border-color: #3A737F;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F5F9FA
100
#E7F1F3
200
#CEE4E9
300
#ABD1D9
400
#7DB8C4
500
#509FAF
600
#407F8C
700
#336570
800
#284F58
900
#203B41
950
#142529

Contrast Checker

Text on white

5.33:1

AA Pass AAA Fail

Text on black

3.94:1

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