#2783e0

Color #2783e0

A vivid, highly saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 9.86 Nearest Tailwind class sky-600 #0084d1 · ΔE 3.8

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

Conversions

HEX

#2783e0

RGB

rgb(39, 131, 224)

HSL

hsl(210.2, 74.9%, 51.6%)

HSV / HSB

hsv(210.2, 82.6%, 87.8%)

CMYK

cmyk(82.6%, 41.5%, 0%, 12.2%)

LAB

lab(54.07, 6.82, -54.69)

LCH

lch(54.07, 55.11, 277.11)

OKLCH

oklch(60.5%, 0.164, 252.76)

HWB

hwb(210.2, 15.3%, 12.2%)

Harmony colors

Complementary

#e08427

Analogous

#27dfe0

#2783e0

#2827e0

Triadic

#2783e0

#e02783

#83e027

Split-complementary

#2783e0

#e02827

#dfe027

Tetradic

#2783e0

#8427e0

#e08427

#83e027

Square

#2783e0

#e027df

#e08427

#27e028

Shades

Color #2783e0 mixed toward black.

#1c6dc0

#165799

#114173

#0b2c4d

#061626

Tints

Color #2783e0 mixed toward white.

#4b98e5

#6facea

#93c1f0

#b7d6f5

#dbeafa

Tones

Color #2783e0 mixed toward gray.

#3783d1

#4683c1

#5583b2

#6583a2

#748393

Accessibility

Aa White text on this color

3.88:1

Aa Black text on this color

5.41:1

Black text reads better on this background (5.41:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5d5ece · ΔE 17

Deuteranopia

#5851ca · ΔE 20.5

Tritanopia

#31bfbb · ΔE 32.4

Achromatopsia

#818181 · ΔE 24.6

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

Code

CSS

background-color: #2783e0;

Tailwind (arbitrary value)

bg-[#2783e0]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#2783e0 (#2783e0) is rgb(39, 131, 224) in RGB.

No, #2783e0 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

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 #2783e0, or check how it holds up for accessibility.

Generate a palette → Check contrast