#3f445e

Color #3f445e

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 11.49 Nearest Tailwind class gray-700 #364153 · ΔE 5.5

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Conversions

HEX

#3f445e

RGB

rgb(63, 68, 94)

HSL

hsl(230.3, 19.7%, 30.8%)

HSV / HSB

hsv(230.3, 33%, 36.9%)

CMYK

cmyk(33%, 27.7%, 0%, 63.1%)

LAB

lab(29.41, 4.86, -16.03)

LCH

lch(29.41, 16.75, 286.87)

OKLCH

oklch(39.3%, 0.0446, 275.79)

HWB

hwb(230.3, 24.7%, 63.1%)

Harmony colors

Complementary

#5e593f

Analogous

#3f545e

#3f445e

#4a3f5e

Triadic

#3f445e

#5e3f44

#445e3f

Split-complementary

#3f445e

#5e4a3f

#545e3f

Tetradic

#3f445e

#593f5e

#5e593f

#445e3f

Square

#3f445e

#5e3f54

#5e593f

#3f5e4a

Shades

Color #3f445e mixed toward black.

#35394e

#2a2d3f

#20222f

#15171f

#0b0b10

Tints

Color #3f445e mixed toward white.

#575e81

#727aa1

#959bb8

#b9bcd0

#dcdee7

Tones

Color #3f445e mixed toward gray.

#42465b

#444859

#474956

#494b54

#4c4d51

Accessibility

Aa White text on this color

9.55:1

Aa Black text on this color

2.2:1

White text reads better on this background (9.55:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#414159 · ΔE 2.3

Deuteranopia

#414157 · ΔE 2.6

Tritanopia

#3f5453 · ΔE 17.8

Achromatopsia

#454545 · ΔE 12.6

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

Code

CSS

background-color: #3f445e;

Tailwind (arbitrary value)

bg-[#3f445e]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#3f445e (#3f445e) is rgb(63, 68, 94) in RGB.

No, #3f445e 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 #3f445e, or check how it holds up for accessibility.

Generate a palette → Check contrast