#3F696B

#3F696B

Color Values

HEX

#3F696B

RGB

63, 105, 107

HSL

182.7, 25.9%, 33.3%

HSV

182.7, 41.1%, 42.0%

CMYK

41.1%, 1.9%, 0.0%, 58.0%

OKLCH

0.4909 0.047 199.6

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#3F696B

#6B413F

Analogous

#3F6B57

#3F536B

#3F696B

Triadic

#3F696B

#6B3F69

#696B3F

Split Complementary

#3F696B

#6B3F53

#6B573F

Tetradic

#3F696B

#573F6B

#6B413F

#536B3F

Color Blindness Simulation

Original

#3F696B

Protanopia

#51526B

Deuteranopia

#4F4C6A

Tritanopia

#416A6A

Achromatopsia

#606060

CSS Usage

background-color: #3F696B;
color: #3F696B;
border-color: #3F696B;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F6F9F9
100
#E9F1F1
200
#D2E4E5
300
#B2D0D2
400
#88B7B9
500
#5E9EA1
600
#4C7E80
700
#3C6567
800
#2F4F50
900
#253B3C
950
#172526

Contrast Checker

Text on white

6.1:1

AA Pass AAA Fail

Text on black

3.44:1

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