#404d63

Color #404d63

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 8.73 Nearest Tailwind class slate-600 #45556c · ΔE 2.8

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Conversions

HEX

#404d63

RGB

rgb(64, 77, 99)

HSL

hsl(217.7, 21.5%, 32%)

HSV / HSB

hsv(217.7, 35.4%, 38.8%)

CMYK

cmyk(35.4%, 22.2%, 0%, 61.2%)

LAB

lab(32.48, 0.83, -14.5)

LCH

lch(32.48, 14.52, 273.28)

OKLCH

oklch(41.8%, 0.0405, 260.77)

HWB

hwb(217.7, 25.1%, 61.2%)

Harmony colors

Complementary

#635640

Analogous

#405f63

#404d63

#454063

Triadic

#404d63

#63404d

#4d6340

Split-complementary

#404d63

#634540

#5f6340

Tetradic

#404d63

#564063

#635640

#4d6340

Square

#404d63

#63405f

#635640

#406345

Shades

Color #404d63 mixed toward black.

#354053

#2b3342

#202732

#151a21

#0b0d11

Tints

Color #404d63 mixed toward white.

#576886

#7385a4

#96a4bb

#b9c2d2

#dce1e8

Tones

Color #404d63 mixed toward gray.

#434e60

#464f5d

#494f5a

#4c5057

#4f5155

Accessibility

Aa White text on this color

8.54:1

Aa Black text on this color

2.46:1

White text reads better on this background (8.54:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#46465e · ΔE 6.6

Deuteranopia

#45445d · ΔE 7.3

Tritanopia

#415a59 · ΔE 14.8

Achromatopsia

#4c4c4c · ΔE 11

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

Code

CSS

background-color: #404d63;

Tailwind (arbitrary value)

bg-[#404d63]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#404d63 (#404d63) is rgb(64, 77, 99) in RGB.

No, #404d63 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 #404d63, or check how it holds up for accessibility.

Generate a palette → Check contrast