#648BBD

#648BBD

Color Values

HEX

#648BBD

RGB

100, 139, 189

HSL

213.7, 40.3%, 56.7%

HSV

213.7, 47.1%, 74.1%

CMYK

47.1%, 26.5%, 0.0%, 25.9%

OKLCH

0.6283 0.0876 255.0

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#648BBD

#BD9664

Analogous

#64B8BD

#6A64BD

#648BBD

Triadic

#648BBD

#BD648B

#8BBD64

Split Complementary

#648BBD

#BD6A64

#B8BD64

Tetradic

#648BBD

#BD64B8

#BD9664

#64BD6A

Color Blindness Simulation

Original

#648BBD

Protanopia

#7575B1

Deuteranopia

#7370AE

Tritanopia

#66A7A5

Achromatopsia

#868686

CSS Usage

background-color: #648BBD;
color: #648BBD;
border-color: #648BBD;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CDDAEA
300
#A9BFDA
400
#7B9CC7
500
#4C79B3
600
#3D618F
700
#314E72
800
#263D59
900
#1F2E42
950
#141D2A

Contrast Checker

Text on white

3.52:1

AA Fail AAA Fail

Text on black

5.97:1

AA Pass 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