#3F5357

#3F5357

Color Values

HEX

#3F5357

RGB

63, 83, 87

HSL

190.0, 16.0%, 29.4%

HSV

190.0, 27.6%, 34.1%

CMYK

27.6%, 4.6%, 0.0%, 65.9%

OKLCH

0.4271 0.0255 211.2

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#3F5357

#57433F

Analogous

#3F574F

#3F4757

#3F5357

Triadic

#3F5357

#573F53

#53573F

Split Complementary

#3F5357

#573F47

#574F3F

Tetradic

#3F5357

#4F3F57

#57433F

#47573F

Color Blindness Simulation

Original

#3F5357

Protanopia

#484856

Deuteranopia

#464556

Tritanopia

#405555

Achromatopsia

#4F4F4F

CSS Usage

background-color: #3F5357;
color: #3F5357;
border-color: #3F5357;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F8
100
#EBEFF0
200
#D6DFE1
300
#B8C8CC
400
#92ABB0
500
#6B8D94
600
#567176
700
#455A5F
800
#36474A
900
#293537
950
#1A2223

Contrast Checker

Text on white

8.12:1

AA Pass AAA Pass

Text on black

2.59:1

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