#217FDD

#217FDD

Color Values

HEX

#217FDD

RGB

33, 127, 221

HSL

210.0, 74.0%, 49.8%

HSV

210.0, 85.1%, 86.7%

CMYK

85.1%, 42.5%, 0.0%, 13.3%

OKLCH

0.5933 0.1658 253.0

Properties

Cool Light Nearest: Navy Blue

Color Harmonies

Complementary

#217FDD

#DD7F21

Analogous

#21DDDD

#2121DD

#217FDD

Triadic

#217FDD

#DD217F

#7FDD21

Split Complementary

#217FDD

#DD2121

#DDDD21

Tetradic

#217FDD

#DD21DD

#DD7F21

#21DD21

Color Blindness Simulation

Original

#217FDD

Protanopia

#4A4BC6

Deuteranopia

#443DC1

Tritanopia

#26B4B0

Achromatopsia

#727272

CSS Usage

background-color: #217FDD;
color: #217FDD;
border-color: #217FDD;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C1DBF6
300
#95C2EF
400
#5BA1E6
500
#2180DE
600
#1B66B1
700
#15528E
800
#11406F
900
#103051
950
#0A1F33

Contrast Checker

Text on white

4.08:1

AA Fail AAA Fail

Text on black

5.14:1

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