#ecf3fb

Color #ecf3fb

A moderately saturated very light blue.

Closest named color Alice Blue #f0f8ff · ΔE 1.76 Nearest Tailwind class blue-50 #eff6ff · ΔE 0.8

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#ecf3fb

RGB

rgb(236, 243, 251)

HSL

hsl(212, 65.2%, 95.5%)

HSV / HSB

hsv(212, 6%, 98.4%)

CMYK

cmyk(6%, 3.2%, 0%, 1.6%)

LAB

lab(95.54, -0.84, -4.64)

LCH

lch(95.54, 4.72, 259.74)

OKLCH

oklch(96.1%, 0.0131, 251.7)

HWB

hwb(212, 92.5%, 1.6%)

Harmony colors

Complementary

#fbf4ec

Analogous

#ecfbfb

#ecf3fb

#edecfb

Triadic

#ecf3fb

#fbecf3

#f3fbec

Split-complementary

#ecf3fb

#fbedec

#fbfbec

Tetradic

#ecf3fb

#f4ecfb

#fbf4ec

#f3fbec

Square

#ecf3fb

#fbecfb

#fbf4ec

#ecfbed

Shades

Color #ecf3fb mixed toward black.

#a9c9ed

#669edf

#2a74c9

#1c4e86

#0e2743

Tints

Color #ecf3fb mixed toward white.

#eff5fc

#f2f7fc

#f6f9fd

#f9fbfe

#fcfdfe

Tones

Color #ecf3fb mixed toward gray.

#edf3fa

#eff3f9

#f0f3f7

#f1f3f6

#f2f3f5

Accessibility

Aa White text on this color

1.12:1

Aa Black text on this color

18.78:1

Black text reads better on this background (18.78:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#efeff9 · ΔE 3.8

Deuteranopia

#efeef9 · ΔE 4.6

Tritanopia

#ecf8f7 · ΔE 5.5

Achromatopsia

#f2f2f2 · ΔE 4.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #ecf3fb;

Tailwind (arbitrary value)

bg-[#ecf3fb]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#ecf3fb (#ecf3fb) is rgb(236, 243, 251) in RGB.

No, #ecf3fb is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #ecf3fb, or check how it holds up for accessibility.

Generate a palette → Check contrast