#3B4654

#3B4654

Color Values

HEX

#3B4654

RGB

59, 70, 84

HSL

213.6, 17.5%, 28.0%

HSV

213.6, 29.8%, 32.9%

CMYK

29.8%, 16.7%, 0.0%, 67.1%

OKLCH

0.39 0.0279 254.6

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3B4654

#54493B

Analogous

#3B5254

#3C3B54

#3B4654

Triadic

#3B4654

#543B46

#46543B

Split Complementary

#3B4654

#543C3B

#52543B

Tetradic

#3B4654

#543B52

#54493B

#3B543C

Color Blindness Simulation

Original

#3B4654

Protanopia

#404051

Deuteranopia

#3F3E50

Tritanopia

#3C4E4D

Achromatopsia

#454545

CSS Usage

background-color: #3B4654;
color: #3B4654;
border-color: #3B4654;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F8
100
#EAEDF0
200
#D5DBE2
300
#B7C1CD
400
#909FB1
500
#697D96
600
#546478
700
#435060
800
#353E4B
900
#293038
950
#1A1E23

Contrast Checker

Text on white

9.59:1

AA Pass AAA Pass

Text on black

2.19:1

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