#EFF4FB

#EFF4FB

Color Values

HEX

#EFF4FB

RGB

239, 244, 251

HSL

215.0, 60.0%, 96.1%

HSV

215.0, 4.8%, 98.4%

CMYK

4.8%, 2.8%, 0.0%, 1.6%

OKLCH

0.9654 0.0108 256.7

Properties

Cool Light Nearest: aliceblue

Color Harmonies

Complementary

#EFF4FB

#FBF6EF

Analogous

#EFFAFB

#F0EFFB

#EFF4FB

Triadic

#EFF4FB

#FBEFF4

#F4FBEF

Split Complementary

#EFF4FB

#FBF0EF

#FAFBEF

Tetradic

#EFF4FB

#FBEFFA

#FBF6EF

#EFFBF0

Color Blindness Simulation

Original

#EFF4FB

Protanopia

#F1F1F9

Deuteranopia

#F1F0F9

Tritanopia

#EFF8F8

Achromatopsia

#F3F3F3

CSS Usage

background-color: #EFF4FB;
color: #EFF4FB;
border-color: #EFF4FB;
Nearest Tailwind: Blue 50 #EFF6FF

Tailwind Shades

50
#F3F7FB
100
#E4ECF6
200
#C6D8F1
300
#9DBCE7
400
#6897D9
500
#3373CC
600
#295CA3
700
#214983
800
#1A3966
900
#162C4B
950
#0E1C2F

Contrast Checker

Text on white

1.11:1

AA Fail AAA Fail

Text on black

19.0:1

AA Pass AAA Pass

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026