#678BA3

#678BA3

Color Values

HEX

#678BA3

RGB

103, 139, 163

HSL

204.0, 24.6%, 52.2%

HSV

204.0, 36.8%, 63.9%

CMYK

36.8%, 14.7%, 0.0%, 36.1%

OKLCH

0.6188 0.0543 238.0

Properties

Cool Light Nearest: lightslategrey

Color Harmonies

Complementary

#678BA3

#A37F67

Analogous

#67A39D

#676DA3

#678BA3

Triadic

#678BA3

#A3678B

#8BA367

Split Complementary

#678BA3

#A3676D

#A39D67

Tetradic

#678BA3

#9D67A3

#A37F67

#6DA367

Color Blindness Simulation

Original

#678BA3

Protanopia

#77779D

Deuteranopia

#74729C

Tritanopia

#699998

Achromatopsia

#858585

CSS Usage

background-color: #678BA3;
color: #678BA3;
border-color: #678BA3;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D3DDE4
300
#B3C5D1
400
#89A5B8
500
#60869F
600
#4D6B7F
700
#3E5666
800
#30434F
900
#26333B
950
#182025

Contrast Checker

Text on white

3.62:1

AA Fail AAA Fail

Text on black

5.8:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026