#3f4463

Color #3f4463

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 14.59 Nearest Tailwind class slate-700 #314158 · ΔE 6.5

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Conversions

HEX

#3f4463

RGB

rgb(63, 68, 99)

HSL

hsl(231.7, 22.2%, 31.8%)

HSV / HSB

hsv(231.7, 36.4%, 38.8%)

CMYK

cmyk(36.4%, 31.3%, 0%, 61.2%)

LAB

lab(29.64, 6.35, -18.88)

LCH

lch(29.64, 19.92, 288.59)

OKLCH

oklch(39.6%, 0.0529, 276.63)

HWB

hwb(231.7, 24.7%, 61.2%)

Harmony colors

Complementary

#635e3f

Analogous

#3f5663

#3f4463

#4c3f63

Triadic

#3f4463

#633f44

#44633f

Split-complementary

#3f4463

#634c3f

#56633f

Tetradic

#3f4463

#5e3f63

#635e3f

#44633f

Square

#3f4463

#633f56

#635e3f

#3f634c

Shades

Color #3f4463 mixed toward black.

#353953

#2a2d42

#202232

#151721

#0b0b11

Tints

Color #3f4463 mixed toward white.

#565c87

#7178a5

#959abb

#b8bcd2

#dcdde8

Tones

Color #3f4463 mixed toward gray.

#424660

#45485d

#484b5a

#4b4d57

#4e4f54

Accessibility

Aa White text on this color

9.47:1

Aa Black text on this color

2.22:1

White text reads better on this background (9.47:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#41415d · ΔE 2.3

Deuteranopia

#41415b · ΔE 2.6

Tritanopia

#3f5756 · ΔE 19.9

Achromatopsia

#464646 · ΔE 14.3

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

Code

CSS

background-color: #3f4463;

Tailwind (arbitrary value)

bg-[#3f4463]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#3f4463 (#3f4463) is rgb(63, 68, 99) in RGB.

No, #3f4463 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 #3f4463, or check how it holds up for accessibility.

Generate a palette → Check contrast