#677A6C

#677A6C

Color Values

HEX

#677A6C

RGB

103, 122, 108

HSL

135.8, 8.4%, 44.1%

HSV

135.8, 15.6%, 47.8%

CMYK

15.6%, 0.0%, 11.5%, 52.2%

OKLCH

0.5598 0.031 153.4

Properties

Cool Dark Nearest: RAL 7033 Cement Grey

Color Harmonies

Complementary

#677A6C

#7A6775

Analogous

#6B7A67

#677A75

#677A6C

Triadic

#677A6C

#6C677A

#7A6C67

Split Complementary

#677A6C

#75677A

#7A676B

Tetradic

#677A6C

#676B7A

#7A6775

#7A7567

Color Blindness Simulation

Original

#677A6C

Protanopia

#6F6F6F

Deuteranopia

#6E6D70

Tritanopia

#687273

Achromatopsia

#757575

CSS Usage

background-color: #677A6C;
color: #677A6C;
border-color: #677A6C;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F7
100
#ECEEED
200
#D8DEDA
300
#BDC7BF
400
#99A99D
500
#758A7A
600
#5D6F62
700
#4B584E
800
#3A453D
900
#2D342F
950
#1C211E

Contrast Checker

Text on white

4.59:1

AA Pass AAA Fail

Text on black

4.58:1

AA Pass 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