#3B3D4B

#3B3D4B

Color Values

HEX

#3B3D4B

RGB

59, 61, 75

HSL

232.5, 11.9%, 26.3%

HSV

232.5, 21.3%, 29.4%

CMYK

21.3%, 18.7%, 0.0%, 70.6%

OKLCH

0.3638 0.0242 278.7

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3B3D4B

#4B493B

Analogous

#3B454B

#413B4B

#3B3D4B

Triadic

#3B3D4B

#4B3B3D

#3D4B3B

Split Complementary

#3B3D4B

#4B413B

#454B3B

Tetradic

#3B3D4B

#4B3B45

#4B493B

#3B4B41

Color Blindness Simulation

Original

#3B3D4B

Protanopia

#3C3C48

Deuteranopia

#3C3C47

Tritanopia

#3B4544

Achromatopsia

#3E3E3E

CSS Usage

background-color: #3B3D4B;
color: #3B3D4B;
border-color: #3B3D4B;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F7F7F8
100
#EBECEF
200
#D7D8E0
300
#BBBCC9
400
#9598AC
500
#70748F
600
#5A5D72
700
#484A5B
800
#383A47
900
#2B2D36
950
#1B1C22

Contrast Checker

Text on white

10.74:1

AA Pass AAA Pass

Text on black

1.96:1

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