#3f7ad8

Color #3f7ad8

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 11.48 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.3

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Conversions

HEX

#3f7ad8

RGB

rgb(63, 122, 216)

HSL

hsl(216.9, 66.2%, 54.7%)

HSV / HSB

hsv(216.9, 70.8%, 84.7%)

CMYK

cmyk(70.8%, 43.5%, 0%, 15.3%)

LAB

lab(51.76, 12.11, -53.85)

LCH

lch(51.76, 55.19, 282.67)

OKLCH

oklch(58.8%, 0.1567, 259.37)

HWB

hwb(216.9, 24.7%, 15.3%)

Harmony colors

Complementary

#d89d3f

Analogous

#3fc6d8

#3f7ad8

#513fd8

Triadic

#3f7ad8

#d83f7a

#7ad83f

Split-complementary

#3f7ad8

#d8513f

#c6d83f

Tetradic

#3f7ad8

#9d3fd8

#d89d3f

#7ad83f

Square

#3f7ad8

#d83fc6

#d89d3f

#3fd851

Shades

Color #3f7ad8 mixed toward black.

#2763c1

#1f4f9b

#183b74

#10274d

#081427

Tints

Color #3f7ad8 mixed toward white.

#5f90de

#7fa6e5

#9fbceb

#bfd3f2

#dfe9f8

Tones

Color #3f7ad8 mixed toward gray.

#4c7dcb

#5980be

#6583b2

#7286a5

#7f8998

Accessibility

Aa White text on this color

4.21:1

Aa Black text on this color

4.99:1

Black text reads better on this background (4.99:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5e5fc6 · ΔE 12.4

Deuteranopia

#5b56c2 · ΔE 14.9

Tritanopia

#43b7b3 · ΔE 33.3

Achromatopsia

#7b7b7b · ΔE 24.7

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

Code

CSS

background-color: #3f7ad8;

Tailwind (arbitrary value)

bg-[#3f7ad8]

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

#3f7ad8 (#3f7ad8) is rgb(63, 122, 216) in RGB.

No, #3f7ad8 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.

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Build something with this color

Generate a full palette from #3f7ad8, or check how it holds up for accessibility.

Generate a palette → Check contrast