#EFF4F7

#EFF4F7

Color Values

HEX

#EFF4F7

RGB

239, 244, 247

HSL

202.5, 33.3%, 95.3%

HSV

202.5, 3.2%, 96.9%

CMYK

3.2%, 1.2%, 0.0%, 3.1%

OKLCH

0.9642 0.0067 233.6

Properties

Cool Light Nearest: RAL 9003 Signal White

Color Harmonies

Complementary

#EFF4F7

#F7F2EF

Analogous

#EFF7F6

#EFF0F7

#EFF4F7

Triadic

#EFF4F7

#F7EFF4

#F4F7EF

Split Complementary

#EFF4F7

#F7EFF0

#F7F6EF

Tetradic

#EFF4F7

#F6EFF7

#F7F2EF

#F0F7EF

Color Blindness Simulation

Original

#EFF4F7

Protanopia

#F1F1F6

Deuteranopia

#F1F0F6

Tritanopia

#EFF6F6

Achromatopsia

#F3F3F3

CSS Usage

background-color: #EFF4F7;
color: #EFF4F7;
border-color: #EFF4F7;
Nearest Tailwind: Slate 100 #F1F5F9

Tailwind Shades

50
#F5F8FA
100
#E8EEF2
200
#CFDEE7
300
#ADC7D6
400
#81A9C0
500
#558AAA
600
#446E88
700
#36586D
800
#2B4555
900
#22343F
950
#152128

Contrast Checker

Text on white

1.11:1

AA Fail AAA Fail

Text on black

18.95:1

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