#3f4f65

Color #3f4f65

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 8.86 Nearest Tailwind class slate-600 #45556c · ΔE 2.1

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Conversions

HEX

#3f4f65

RGB

rgb(63, 79, 101)

HSL

hsl(214.7, 23.2%, 32.2%)

HSV / HSB

hsv(214.7, 37.6%, 39.6%)

CMYK

cmyk(37.6%, 21.8%, 0%, 60.4%)

LAB

lab(33.11, -0.18, -14.8)

LCH

lch(33.11, 14.8, 269.3)

OKLCH

oklch(42.3%, 0.0421, 256.39)

HWB

hwb(214.7, 24.7%, 60.4%)

Harmony colors

Complementary

#65553f

Analogous

#3f6265

#3f4f65

#423f65

Triadic

#3f4f65

#653f4f

#4f653f

Split-complementary

#3f4f65

#65423f

#62653f

Tetradic

#3f4f65

#553f65

#65553f

#4f653f

Square

#3f4f65

#653f62

#65553f

#3f6542

Shades

Color #3f4f65 mixed toward black.

#354254

#2a3543

#202833

#151a22

#0b0d11

Tints

Color #3f4f65 mixed toward white.

#556b89

#7188a6

#94a5bd

#b8c3d3

#dbe1e9

Tones

Color #3f4f65 mixed toward gray.

#425062

#45505f

#49515c

#4c5158

#4f5255

Accessibility

Aa White text on this color

8.34:1

Aa Black text on this color

2.52:1

White text reads better on this background (8.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#464760 · ΔE 7.6

Deuteranopia

#46445f · ΔE 9.4

Tritanopia

#405c5b · ΔE 14.6

Achromatopsia

#4e4e4e · ΔE 11.1

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

Code

CSS

background-color: #3f4f65;

Tailwind (arbitrary value)

bg-[#3f4f65]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#3f4f65 (#3f4f65) is rgb(63, 79, 101) in RGB.

No, #3f4f65 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 #3f4f65, or check how it holds up for accessibility.

Generate a palette → Check contrast