#3f3f7e

Color #3f3f7e

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 9.99 Nearest Tailwind class blue-900 #1c398e · ΔE 6.3

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Conversions

HEX

#3f3f7e

RGB

rgb(63, 63, 126)

HSL

hsl(240, 33.3%, 37.1%)

HSV / HSB

hsv(240, 50%, 49.4%)

CMYK

cmyk(50%, 50%, 0%, 50.6%)

LAB

lab(29.71, 18.32, -35.85)

LCH

lch(29.71, 40.26, 297.07)

OKLCH

oklch(40.1%, 0.1037, 280.67)

HWB

hwb(240, 24.7%, 50.6%)

Harmony colors

Complementary

#7e7e3f

Analogous

#3f5f7e

#3f3f7e

#5f3f7e

Triadic

#3f3f7e

#7e3f3f

#3f7e3f

Split-complementary

#3f3f7e

#7e5f3f

#5f7e3f

Tetradic

#3f3f7e

#7e3f7e

#7e7e3f

#3f7e3f

Square

#3f3f7e

#7e3f5f

#7e7e3f

#3f7e5f

Shades

Color #3f3f7e mixed toward black.

#353569

#2a2a54

#20203f

#15152a

#0b0b15

Tints

Color #3f3f7e mixed toward white.

#5151a2

#7070b8

#9494ca

#b8b8db

#dbdbed

Tones

Color #3f3f7e mixed toward gray.

#444479

#4a4a74

#4f4f6e

#545469

#595964

Accessibility

Aa White text on this color

9.44:1

Aa Black text on this color

2.22:1

White text reads better on this background (9.44:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f73 · ΔE 2.4

Deuteranopia

#3f3f70 · ΔE 3.2

Tritanopia

#3f6866 · ΔE 27.2

Achromatopsia

#464646 · ΔE 21.8

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

Code

CSS

background-color: #3f3f7e;

Tailwind (arbitrary value)

bg-[#3f3f7e]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#3f3f7e (#3f3f7e) is rgb(63, 63, 126) in RGB.

No, #3f3f7e 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 #3f3f7e, or check how it holds up for accessibility.

Generate a palette → Check contrast