#ECEFFB

#ECEFFB

Color Values

HEX

#ECEFFB

RGB

236, 239, 251

HSL

228.0, 65.2%, 95.5%

HSV

228.0, 6.0%, 98.4%

CMYK

6.0%, 4.8%, 0.0%, 1.6%

OKLCH

0.9533 0.0164 274.8

Properties

Cool Light Nearest: aliceblue

Color Harmonies

Complementary

#ECEFFB

#FBF8EC

Analogous

#ECF7FB

#F1ECFB

#ECEFFB

Triadic

#ECEFFB

#FBECEF

#EFFBEC

Split Complementary

#ECEFFB

#FBF1EC

#F7FBEC

Tetradic

#ECEFFB

#FBECF7

#FBF8EC

#ECFBF1

Color Blindness Simulation

Original

#ECEFFB

Protanopia

#EDEDF8

Deuteranopia

#EDEDF7

Tritanopia

#ECF6F5

Achromatopsia

#EFEFEF

CSS Usage

background-color: #ECEFFB;
color: #ECEFFB;
border-color: #ECEFFB;
Nearest Tailwind: Indigo 50 #EEF2FF

Tailwind Shades

50
#F3F5FC
100
#E3E7F7
200
#C4CDF3
300
#9AAAEA
400
#637CDE
500
#2C4ED3
600
#233EA9
700
#1C3287
800
#162769
900
#141F4D
950
#0D1431

Contrast Checker

Text on white

1.15:1

AA Fail AAA Fail

Text on black

18.31:1

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