#3D505F

#3D505F

Color Values

HEX

#3D505F

RGB

61, 80, 95

HSL

206.5, 21.8%, 30.6%

HSV

206.5, 35.8%, 37.3%

CMYK

35.8%, 15.8%, 0.0%, 62.7%

OKLCH

0.4214 0.0345 242.4

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3D505F

#5F4C3D

Analogous

#3D5F5D

#3D3F5F

#3D505F

Triadic

#3D505F

#5F3D50

#505F3D

Split Complementary

#3D505F

#5F3D3F

#5F5D3D

Tetradic

#3D505F

#5D3D5F

#5F4C3D

#3F5F3D

Color Blindness Simulation

Original

#3D505F

Protanopia

#45455B

Deuteranopia

#44435A

Tritanopia

#3E5958

Achromatopsia

#4D4D4D

CSS Usage

background-color: #3D505F;
color: #3D505F;
border-color: #3D505F;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F9
100
#EAEEF0
200
#D4DCE3
300
#B4C3CF
400
#8CA3B5
500
#64839B
600
#50697C
700
#405463
800
#32414E
900
#27323A
950
#191F25

Contrast Checker

Text on white

8.36:1

AA Pass AAA Pass

Text on black

2.51:1

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