#3f5fbe

Color #3f5fbe

A moderately saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 14.38 Nearest Tailwind class blue-600 #155dfc · ΔE 7.2

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

Conversions

HEX

#3f5fbe

RGB

rgb(63, 95, 190)

HSL

hsl(224.9, 50.2%, 49.6%)

HSV / HSB

hsv(224.9, 66.8%, 74.5%)

CMYK

cmyk(66.8%, 50%, 0%, 25.5%)

LAB

lab(42.7, 19.76, -53.5)

LCH

lch(42.7, 57.03, 290.27)

OKLCH

oklch(51.3%, 0.1536, 266.9)

HWB

hwb(224.9, 24.7%, 25.5%)

Harmony colors

Complementary

#be9e3f

Analogous

#3f9ebe

#3f5fbe

#5f3fbe

Triadic

#3f5fbe

#be3f5f

#5fbe3f

Split-complementary

#3f5fbe

#be5f3f

#9ebe3f

Tetradic

#3f5fbe

#9e3fbe

#be9e3f

#5fbe3f

Square

#3f5fbe

#be3f9e

#be9e3f

#3fbe5f

Shades

Color #3f5fbe mixed toward black.

#344f9e

#2a3f7f

#1f2f5f

#15203f

#0a1020

Tints

Color #3f5fbe mixed toward white.

#5e79ca

#7e94d4

#9eafdf

#bfc9ea

#dfe4f4

Tones

Color #3f5fbe mixed toward gray.

#4a64b3

#5469a9

#5f6f9e

#697494

#747989

Accessibility

Aa White text on this color

5.85:1

Aa Black text on this color

3.59:1

White text reads better on this background (5.85:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4f4fad · ΔE 7.1

Deuteranopia

#4d4aa9 · ΔE 8.5

Tritanopia

#419e9a · ΔE 35.2

Achromatopsia

#656565 · ΔE 25.1

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

Code

CSS

background-color: #3f5fbe;

Tailwind (arbitrary value)

bg-[#3f5fbe]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Navy #000080

Frequently asked questions

#3f5fbe (#3f5fbe) is rgb(63, 95, 190) in RGB.

No, #3f5fbe 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.

Try it → Accessibility

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 #3f5fbe, or check how it holds up for accessibility.

Generate a palette → Check contrast