#4f566f

Color #4f566f

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 13.04 Nearest Tailwind class slate-600 #45556c · ΔE 4.5

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Conversions

HEX

#4f566f

RGB

rgb(79, 86, 111)

HSL

hsl(226.9, 16.8%, 37.3%)

HSV / HSB

hsv(226.9, 28.8%, 43.5%)

CMYK

cmyk(28.8%, 22.5%, 0%, 56.5%)

LAB

lab(36.87, 3.53, -15.19)

LCH

lch(36.87, 15.59, 283.08)

OKLCH

oklch(45.7%, 0.0418, 272.47)

HWB

hwb(226.9, 31%, 56.5%)

Harmony colors

Complementary

#6f684f

Analogous

#4f666f

#4f566f

#584f6f

Triadic

#4f566f

#6f4f56

#566f4f

Split-complementary

#4f566f

#6f584f

#666f4f

Tetradic

#4f566f

#684f6f

#6f684f

#566f4f

Square

#4f566f

#6f4f66

#6f684f

#4f6f58

Shades

Color #4f566f mixed toward black.

#42485d

#35394a

#282b38

#1a1d25

#0d0e13

Tints

Color #4f566f mixed toward white.

#656e8e

#838aa6

#a2a7bc

#c1c5d3

#e0e2e9

Tones

Color #4f566f mixed toward gray.

#52586c

#54596a

#575b67

#5a5c64

#5c5e62

Accessibility

Aa White text on this color

7.26:1

Aa Black text on this color

2.89:1

White text reads better on this background (7.26:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#52526a · ΔE 3.3

Deuteranopia

#525168 · ΔE 3.8

Tritanopia

#4f6564 · ΔE 16.6

Achromatopsia

#575757 · ΔE 11.8

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

Code

CSS

background-color: #4f566f;

Tailwind (arbitrary value)

bg-[#4f566f]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#4f566f (#4f566f) is rgb(79, 86, 111) in RGB.

No, #4f566f 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 #4f566f, or check how it holds up for accessibility.

Generate a palette → Check contrast