#3f4c65

Color #3f4c65

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 10.38 Nearest Tailwind class slate-600 #45556c · ΔE 3.5

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Conversions

HEX

#3f4c65

RGB

rgb(63, 76, 101)

HSL

hsl(219.5, 23.2%, 32.2%)

HSV / HSB

hsv(219.5, 37.6%, 39.6%)

CMYK

cmyk(37.6%, 24.8%, 0%, 60.4%)

LAB

lab(32.18, 1.74, -16.23)

LCH

lch(32.18, 16.32, 276.12)

OKLCH

oklch(41.6%, 0.0452, 263.14)

HWB

hwb(219.5, 24.7%, 60.4%)

Harmony colors

Complementary

#65583f

Analogous

#3f5f65

#3f4c65

#453f65

Triadic

#3f4c65

#653f4c

#4c653f

Split-complementary

#3f4c65

#65453f

#5f653f

Tetradic

#3f4c65

#583f65

#65583f

#4c653f

Square

#3f4c65

#653f5f

#65583f

#3f6545

Shades

Color #3f4c65 mixed toward black.

#353f54

#2a3343

#202633

#151922

#0b0d11

Tints

Color #3f4c65 mixed toward white.

#556789

#7183a6

#94a2bd

#b8c1d3

#dbe0e9

Tones

Color #3f4c65 mixed toward gray.

#424d62

#454e5f

#494f5c

#4c5058

#4f5155

Accessibility

Aa White text on this color

8.63:1

Aa Black text on this color

2.43:1

White text reads better on this background (8.63:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#454560 · ΔE 6.2

Deuteranopia

#44435e · ΔE 6.8

Tritanopia

#405b5a · ΔE 16.4

Achromatopsia

#4c4c4c · ΔE 12

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

Code

CSS

background-color: #3f4c65;

Tailwind (arbitrary value)

bg-[#3f4c65]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#3f4c65 (#3f4c65) is rgb(63, 76, 101) in RGB.

No, #3f4c65 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 #3f4c65, or check how it holds up for accessibility.

Generate a palette → Check contrast