What color is #E9EFFB?

#E9EFFB is a very light, moderate azure, closest to the named color Cotton Boll. It belongs to the blue family of colors.

What is the RGB value of #E9EFFB?

The RGB value is 233, 239, 251: 233 red, 239 green and 251 blue on a 0 to 255 scale.

What is the complementary color of #E9EFFB?

The complementary color is #FBF5E9, found by rotating the hue 180° on the color wheel.

Is black or white text better on #E9EFFB?

Black text. Black text has a contrast ratio of 18.2:1 and white text 1.15:1. WCAG asks for at least 4.5:1 for normal text.

#E9EFFB color

#E9EFFB rgb(233, 239, 251)

Shades of blue

The hex color #E9EFFB is a very light, moderate azure.

In the RGB color model it is made of 91.4% red, 93.7% green and 98.4% blue (233, 239, 251).

Its hue angle is 220°, with 69% saturation and 95% lightness. For print, the CMYK equivalent is 7% cyan, 5% magenta, 0% yellow and 2% black.

The closest named color is Cotton Boll (#E7EFFB), a difference of 0.9 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 18.2:1).

#E9EFFB color codes

HEX	`#E9EFFB`
RGB	`rgb(233, 239, 251)`
RGB percent	`rgb(91.4%, 93.7%, 98.4%)`
HSL	`hsl(220, 69%, 95%)`
HSV / HSB	`hsv(220, 7%, 98%)`
CMYK	`cmyk(7%, 5%, 0%, 2%)`
CIE LAB	`lab(94.32, 0.23, -6.46)`
CIE LCH	`lch(94.32, 6.47, 272.05)`
CIE XYZ	`xyz(81.88, 86.021, 103.538)`
Decimal	`15331323`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #E9EFFB, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #E9EFFB	Ratio	AA	AAA	AA large
Sample text	18.2:1	Pass	Pass	Pass
Sample text	1.15:1	Fail	Fail	Fail

#E9EFFB as text on	Ratio	AA	AAA	AA large
Sample text	1.15:1	Fail	Fail	Fail
Sample text	18.2:1	Pass	Pass	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #E9EFFB looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #e9effb; }
.text { color: #e9effb; }
.border { border: 2px solid #e9effb; }
.transparent { background-color: rgb(233 239 251 / 50%); }
.gradient { background: linear-gradient(to right, #e9effb, #ece9fb); }

Background

Text color

Border

Similar colors

Closest common color name: Alice Blue.

Questions

What color is #E9EFFB?: #E9EFFB is a very light, moderate azure, closest to the named color Cotton Boll. It belongs to the blue family of colors.
What is the RGB value of #E9EFFB?: The RGB value is 233, 239, 251: 233 red, 239 green and 251 blue on a 0 to 255 scale.
What is the complementary color of #E9EFFB?: The complementary color is #FBF5E9, found by rotating the hue 180° on the color wheel.
Is black or white text better on #E9EFFB?: Black text. Black text has a contrast ratio of 18.2:1 and white text 1.15:1. WCAG asks for at least 4.5:1 for normal text.