#3B4D63

#3B4D63

Color Values

HEX

#3B4D63

RGB

59, 77, 99

HSL

213.0, 25.3%, 31.0%

HSV

213.0, 40.4%, 38.8%

CMYK

40.4%, 22.2%, 0.0%, 61.2%

OKLCH

0.4143 0.0435 253.8

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3B4D63

#63513B

Analogous

#3B6163

#3D3B63

#3B4D63

Triadic

#3B4D63

#633B4D

#4D633B

Split Complementary

#3B4D63

#633D3B

#61633B

Tetradic

#3B4D63

#633B61

#63513B

#3B633D

Color Blindness Simulation

Original

#3B4D63

Protanopia

#43435E

Deuteranopia

#42405C

Tritanopia

#3C5959

Achromatopsia

#4B4B4B

CSS Usage

background-color: #3B4D63;
color: #3B4D63;
border-color: #3B4D63;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DAE4
300
#B2C0D1
400
#899EB9
500
#5F7CA0
600
#4C6380
700
#3D5066
800
#303E50
900
#252F3B
950
#181E26

Contrast Checker

Text on white

8.65:1

AA Pass AAA Pass

Text on black

2.43:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026