#3A4D63

#3A4D63

Color Values

HEX

#3A4D63

RGB

58, 77, 99

HSL

212.2, 26.1%, 30.8%

HSV

212.2, 41.4%, 38.8%

CMYK

41.4%, 22.2%, 0.0%, 61.2%

OKLCH

0.4136 0.0441 252.5

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3A4D63

#63503A

Analogous

#3A6263

#3C3A63

#3A4D63

Triadic

#3A4D63

#633A4D

#4D633A

Split Complementary

#3A4D63

#633C3A

#62633A

Tetradic

#3A4D63

#633A62

#63503A

#3A633C

Color Blindness Simulation

Original

#3A4D63

Protanopia

#42425E

Deuteranopia

#41405C

Tritanopia

#3B5959

Achromatopsia

#4B4B4B

CSS Usage

background-color: #3A4D63;
color: #3A4D63;
border-color: #3A4D63;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DBE5
300
#B2C1D2
400
#889FB9
500
#5E7DA1
600
#4B6481
700
#3C5067
800
#2F3F50
900
#25303C
950
#171E26

Contrast Checker

Text on white

8.67:1

AA Pass AAA Pass

Text on black

2.42:1

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