#3f7cdf

Color #3f7cdf

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 10.35 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.3

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

Conversions

HEX

#3f7cdf

RGB

rgb(63, 124, 223)

HSL

hsl(217.1, 71.4%, 56.1%)

HSV / HSB

hsv(217.1, 71.7%, 87.5%)

CMYK

cmyk(71.7%, 44.4%, 0%, 12.5%)

LAB

lab(52.73, 13.4, -56.25)

LCH

lch(52.73, 57.82, 283.4)

OKLCH

oklch(59.7%, 0.1638, 259.66)

HWB

hwb(217.1, 24.7%, 12.5%)

Harmony colors

Complementary

#dfa23f

Analogous

#3fccdf

#3f7cdf

#523fdf

Triadic

#3f7cdf

#df3f7c

#7cdf3f

Split-complementary

#3f7cdf

#df523f

#ccdf3f

Tetradic

#3f7cdf

#a23fdf

#dfa23f

#7cdf3f

Square

#3f7cdf

#df3fcc

#dfa23f

#3fdf52

Shades

Color #3f7cdf mixed toward black.

#2263cc

#1b4fa3

#143b7b

#0e2852

#071429

Tints

Color #3f7cdf mixed toward white.

#5f92e4

#7fa8ea

#9fbeef

#bfd3f4

#dfe9fa

Tones

Color #3f7cdf mixed toward gray.

#4c7fd2

#5a82c4

#6786b7

#7489aa

#828c9c

Accessibility

Aa White text on this color

4.07:1

Aa Black text on this color

5.16:1

Black text reads better on this background (5.16:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f60cd · ΔE 12.5

Deuteranopia

#5c57c8 · ΔE 15.2

Tritanopia

#44bcb9 · ΔE 33.7

Achromatopsia

#7e7e7e · ΔE 25.2

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

Code

CSS

background-color: #3f7cdf;

Tailwind (arbitrary value)

bg-[#3f7cdf]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#3f7cdf (#3f7cdf) is rgb(63, 124, 223) in RGB.

No, #3f7cdf is not web-safe. The nearest web-safe colors are among its tones and shades below.

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.

Try it →

Build something with this color

Generate a full palette from #3f7cdf, or check how it holds up for accessibility.

Generate a palette → Check contrast