#EFF3FB

#EFF3FB

Color Values

HEX

#EFF3FB

RGB

239, 243, 251

HSL

220.0, 60.0%, 96.1%

HSV

220.0, 4.8%, 98.4%

CMYK

4.8%, 3.2%, 0.0%, 1.6%

OKLCH

0.9634 0.0115 264.5

Properties

Cool Light Nearest: aliceblue

Color Harmonies

Complementary

#EFF3FB

#FBF7EF

Analogous

#EFF9FB

#F1EFFB

#EFF3FB

Triadic

#EFF3FB

#FBEFF3

#F3FBEF

Split Complementary

#EFF3FB

#FBF1EF

#F9FBEF

Tetradic

#EFF3FB

#FBEFF9

#FBF7EF

#EFFBF1

Color Blindness Simulation

Original

#EFF3FB

Protanopia

#F1F1F9

Deuteranopia

#F0F0F9

Tritanopia

#EFF8F7

Achromatopsia

#F3F3F3

CSS Usage

background-color: #EFF3FB;
color: #EFF3FB;
border-color: #EFF3FB;
Nearest Tailwind: Blue 50 #EFF6FF

Tailwind Shades

50
#F3F6FB
100
#E4EAF6
200
#C6D4F1
300
#9DB6E7
400
#688ED9
500
#3366CC
600
#2952A3
700
#214183
800
#1A3366
900
#16284B
950
#0E192F

Contrast Checker

Text on white

1.11:1

AA Fail AAA Fail

Text on black

18.88:1

AA Pass AAA Pass

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