#3f65a5

Color #3f65a5

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 15.99 Nearest Tailwind class sky-700 #0069a8 · ΔE 6.7

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

Conversions

HEX

#3f65a5

RGB

rgb(63, 101, 165)

HSL

hsl(217.6, 44.7%, 44.7%)

HSV / HSB

hsv(217.6, 61.8%, 64.7%)

CMYK

cmyk(61.8%, 38.8%, 0%, 35.3%)

LAB

lab(42.88, 7.02, -38.55)

LCH

lch(42.88, 39.18, 280.32)

OKLCH

oklch(51%, 0.111, 260.25)

HWB

hwb(217.6, 24.7%, 35.3%)

Harmony colors

Complementary

#a57f3f

Analogous

#3f98a5

#3f65a5

#4c3fa5

Triadic

#3f65a5

#a53f65

#65a53f

Split-complementary

#3f65a5

#a54c3f

#98a53f

Tetradic

#3f65a5

#7f3fa5

#a57f3f

#65a53f

Square

#3f65a5

#a53f98

#a57f3f

#3fa54c

Shades

Color #3f65a5 mixed toward black.

#355489

#2a436e

#203352

#152237

#0b111b

Tints

Color #3f65a5 mixed toward white.

#557cbe

#7796cb

#99b1d8

#bbcbe5

#dde5f2

Tones

Color #3f65a5 mixed toward gray.

#48679c

#506994

#596c8b

#616e83

#69707a

Accessibility

Aa White text on this color

5.81:1

Aa Black text on this color

3.62:1

White text reads better on this background (5.81:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#525299 · ΔE 9.6

Deuteranopia

#504d95 · ΔE 11

Tritanopia

#428e8b · ΔE 27.6

Achromatopsia

#656565 · ΔE 20.9

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

Code

CSS

background-color: #3f65a5;

Tailwind (arbitrary value)

bg-[#3f65a5]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#3f65a5 (#3f65a5) is rgb(63, 101, 165) in RGB.

No, #3f65a5 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 #3f65a5, or check how it holds up for accessibility.

Generate a palette → Check contrast