#3f64ab

Color #3f64ab

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 19.47 Nearest Tailwind class sky-700 #0069a8 · ΔE 7.4

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

Conversions

HEX

#3f64ab

RGB

rgb(63, 100, 171)

HSL

hsl(219.4, 46.2%, 45.9%)

HSV / HSB

hsv(219.4, 63.2%, 67.1%)

CMYK

cmyk(63.2%, 41.5%, 0%, 32.9%)

LAB

lab(42.93, 9.77, -42.01)

LCH

lch(42.93, 43.13, 283.09)

OKLCH

oklch(51.1%, 0.1207, 262.19)

HWB

hwb(219.4, 24.7%, 32.9%)

Harmony colors

Complementary

#ab863f

Analogous

#3f9aab

#3f64ab

#503fab

Triadic

#3f64ab

#ab3f64

#64ab3f

Split-complementary

#3f64ab

#ab503f

#9aab3f

Tetradic

#3f64ab

#863fab

#ab863f

#64ab3f

Square

#3f64ab

#ab3f9a

#ab863f

#3fab50

Shades

Color #3f64ab mixed toward black.

#34538f

#2a4372

#1f3256

#152139

#0a111d

Tints

Color #3f64ab mixed toward white.

#577bc1

#7996ce

#9ab0da

#bccae6

#dde5f3

Tones

Color #3f64ab mixed toward gray.

#4867a2

#516a99

#5a6d90

#636f87

#6c727e

Accessibility

Aa White text on this color

5.8:1

Aa Black text on this color

3.62:1

White text reads better on this background (5.8:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#52529d · ΔE 9

Deuteranopia

#4f4c9a · ΔE 10.5

Tritanopia

#41928f · ΔE 29.5

Achromatopsia

#656565 · ΔE 22

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

Code

CSS

background-color: #3f64ab;

Tailwind (arbitrary value)

bg-[#3f64ab]

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

#3f64ab (#3f64ab) is rgb(63, 100, 171) in RGB.

No, #3f64ab 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.

Try it → Generators

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 #3f64ab, or check how it holds up for accessibility.

Generate a palette → Check contrast