#3f4345

Color #3f4345

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 6.52 Nearest Tailwind class neutral-700 #404040 · ΔE 2.5

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Conversions

HEX

#3f4345

RGB

rgb(63, 67, 69)

HSL

hsl(200, 4.5%, 25.9%)

HSV / HSB

hsv(200, 8.7%, 27.1%)

CMYK

cmyk(8.7%, 2.9%, 0%, 72.9%)

LAB

lab(28.12, -1.19, -1.78)

LCH

lch(28.12, 2.14, 236.24)

OKLCH

oklch(38%, 0.0064, 228.81)

HWB

hwb(200, 24.7%, 72.9%)

Harmony colors

Complementary

#45413f

Analogous

#3f4544

#3f4345

#3f4045

Triadic

#3f4345

#453f43

#43453f

Split-complementary

#3f4345

#453f40

#45443f

Tetradic

#3f4345

#413f45

#45413f

#43453f

Square

#3f4345

#443f45

#45413f

#40453f

Shades

Color #3f4345 mixed toward black.

#35383a

#2a2d2e

#202223

#151617

#0b0b0c

Tints

Color #3f4345 mixed toward white.

#5d6366

#7b8387

#9ca2a5

#bdc1c3

#dee0e1

Tones

Color #3f4345 mixed toward gray.

#404345

#404344

#414344

#414243

#424243

Accessibility

Aa White text on this color

10:1

Aa Black text on this color

2.1:1

White text reads better on this background (10:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#414145 · ΔE 3.1

Deuteranopia

#414044 · ΔE 3.7

Tritanopia

#3f4444 · ΔE 1.6

Achromatopsia

#424242 · ΔE 2.4

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

Code

CSS

background-color: #3f4345;

Tailwind (arbitrary value)

bg-[#3f4345]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#3f4345 (#3f4345) is rgb(63, 67, 69) in RGB.

No, #3f4345 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 #3f4345, or check how it holds up for accessibility.

Generate a palette → Check contrast