#3f5a8d

Color #3f5a8d

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 17.18 Nearest Tailwind class slate-600 #45556c · ΔE 7.2

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Conversions

HEX

#3f5a8d

RGB

rgb(63, 90, 141)

HSL

hsl(219.2, 38.2%, 40%)

HSV / HSB

hsv(219.2, 55.3%, 55.3%)

CMYK

cmyk(55.3%, 36.2%, 0%, 44.7%)

LAB

lab(38.36, 5.69, -31.34)

LCH

lch(38.36, 31.85, 280.29)

OKLCH

oklch(47%, 0.0893, 262.28)

HWB

hwb(219.2, 24.7%, 44.7%)

Harmony colors

Complementary

#8d723f

Analogous

#3f818d

#3f5a8d

#4b3f8d

Triadic

#3f5a8d

#8d3f5a

#5a8d3f

Split-complementary

#3f5a8d

#8d4b3f

#818d3f

Tetradic

#3f5a8d

#723f8d

#8d723f

#5a8d3f

Square

#3f5a8d

#8d3f81

#8d723f

#3f8d4b

Shades

Color #3f5a8d mixed toward black.

#354b75

#2a3c5e

#202d46

#151e2f

#0b0f17

Tints

Color #3f5a8d mixed toward white.

#4f71b0

#728dc0

#95aad0

#b9c6df

#dce3ef

Tones

Color #3f5a8d mixed toward gray.

#465c86

#4c5e80

#536079

#596273

#60646c

Accessibility

Aa White text on this color

6.87:1

Aa Black text on this color

3.06:1

White text reads better on this background (6.87:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4c4c83 · ΔE 7.7

Deuteranopia

#4a4880 · ΔE 8.7

Tritanopia

#417a78 · ΔE 24.4

Achromatopsia

#5a5a5a · ΔE 18.7

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

Code

CSS

background-color: #3f5a8d;

Tailwind (arbitrary value)

bg-[#3f5a8d]

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

#3f5a8d (#3f5a8d) is rgb(63, 90, 141) in RGB.

No, #3f5a8d 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 #3f5a8d, or check how it holds up for accessibility.

Generate a palette → Check contrast