#288CEC

#288CEC

Color Values

HEX

#288CEC

RGB

40, 140, 236

HSL

209,4, 83,8%, 54,1%

HSV

209,4, 83,1%, 92,5%

CMYK

83,1%, 40,7%, 0,0%, 7,5%

OKLCH

0,633 0,1692 251,9

Properties

Cool Light Nearest: dodgerblue 2

Color Harmonies

Complementary

#288CEC

#EC8828

Analogous

#28ECEA

#282AEC

#288CEC

Triadic

#288CEC

#EC288C

#8CEC28

Split Complementary

#288CEC

#EC282A

#ECEA28

Tetradic

#288CEC

#EA28EC

#EC8828

#2AEC28

Color Blindness Simulation

Original

#288CEC

Protanopia

#5354D5

Deuteranopia

#4E46CF

Tritanopia

#2DC2BE

Achromatopsia

#7E7E7E

CSS Usage

background-color: #288CEC;
color: #288CEC;
border-color: #288CEC;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F2F7FD
100
#E0EDFA
200
#BDDCF9
300
#8FC3F5
400
#52A2F0
500
#1582EA
600
#1168BB
700
#0D5396
800
#0A4175
900
#0C3155
950
#081F36

Contrast Checker

Text on white

3,47:1

AA Fail AAA Fail

Text on black

6,05:1

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