#3f5e96

Color #3f5e96

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 16.28 Nearest Tailwind class sky-800 #00598a · ΔE 7.8

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Conversions

HEX

#3f5e96

RGB

rgb(63, 94, 150)

HSL

hsl(218.6, 40.8%, 41.8%)

HSV / HSB

hsv(218.6, 58%, 58.8%)

CMYK

cmyk(58%, 37.3%, 0%, 41.2%)

LAB

lab(40.02, 6.23, -34.15)

LCH

lch(40.02, 34.71, 280.34)

OKLCH

oklch(48.5%, 0.0978, 261.47)

HWB

hwb(218.6, 24.7%, 41.2%)

Harmony colors

Complementary

#96773f

Analogous

#3f8a96

#3f5e96

#4c3f96

Triadic

#3f5e96

#963f5e

#5e963f

Split-complementary

#3f5e96

#964c3f

#8a963f

Tetradic

#3f5e96

#773f96

#96773f

#5e963f

Square

#3f5e96

#963f8a

#96773f

#3f964c

Shades

Color #3f5e96 mixed toward black.

#354e7d

#2a3f64

#202f4b

#151f32

#0b1019

Tints

Color #3f5e96 mixed toward white.

#5175b6

#7490c4

#97acd3

#b9c8e2

#dce3f0

Tones

Color #3f5e96 mixed toward gray.

#46608f

#4e6288

#556480

#5c6679

#636972

Accessibility

Aa White text on this color

6.46:1

Aa Black text on this color

3.25:1

White text reads better on this background (6.46:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4e4f8b · ΔE 8.1

Deuteranopia

#4c4a88 · ΔE 9.4

Tritanopia

#41827f · ΔE 25.9

Achromatopsia

#5e5e5e · ΔE 19.6

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

Code

CSS

background-color: #3f5e96;

Tailwind (arbitrary value)

bg-[#3f5e96]

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

#3f5e96 (#3f5e96) is rgb(63, 94, 150) in RGB.

No, #3f5e96 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #3f5e96, or check how it holds up for accessibility.

Generate a palette → Check contrast