#648EB4

#648EB4

Color Values

HEX

#648EB4

RGB

100, 142, 180

HSL

208.5, 34.8%, 54.9%

HSV

208.5, 44.4%, 70.6%

CMYK

44.4%, 21.1%, 0.0%, 29.4%

OKLCH

0.6309 0.0739 246.6

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#648EB4

#B48A64

Analogous

#64B4B2

#6466B4

#648EB4

Triadic

#648EB4

#B4648E

#8EB464

Split Complementary

#648EB4

#B46466

#B4B264

Tetradic

#648EB4

#B264B4

#B48A64

#66B464

Color Blindness Simulation

Original

#648EB4

Protanopia

#7677AB

Deuteranopia

#7471A9

Tritanopia

#66A4A2

Achromatopsia

#888888

CSS Usage

background-color: #648EB4;
color: #648EB4;
border-color: #648EB4;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E8EDF2
200
#CFDCE8
300
#ADC3D7
400
#80A2C1
500
#5382AC
600
#436889
700
#35536E
800
#2A4156
900
#213140
950
#151F28

Contrast Checker

Text on white

3.46:1

AA Fail AAA Fail

Text on black

6.07:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

1月 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1月 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1月 15, 2026