#404d72

Color #404d72

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 17.9 Nearest Tailwind class slate-600 #45556c · ΔE 5.9

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Conversions

HEX

#404d72

RGB

rgb(64, 77, 114)

HSL

hsl(224.4, 28.1%, 34.9%)

HSV / HSB

hsv(224.4, 43.9%, 44.7%)

CMYK

cmyk(43.9%, 32.5%, 0%, 55.3%)

LAB

lab(33.16, 5.42, -22.88)

LCH

lch(33.16, 23.51, 283.33)

OKLCH

oklch(42.6%, 0.064, 268.84)

HWB

hwb(224.4, 25.1%, 55.3%)

Harmony colors

Complementary

#726540

Analogous

#406672

#404d72

#4c4072

Triadic

#404d72

#72404d

#4d7240

Split-complementary

#404d72

#724c40

#667240

Tetradic

#404d72

#654072

#726540

#4d7240

Square

#404d72

#724066

#726540

#40724c

Shades

Color #404d72 mixed toward black.

#35405f

#2b334c

#202639

#151a26

#0b0d13

Tints

Color #404d72 mixed toward white.

#546595

#7181af

#95a1c3

#b8c0d7

#dce0eb

Tones

Color #404d72 mixed toward gray.

#444f6e

#48516a

#4c5365

#515561

#55575d

Accessibility

Aa White text on this color

8.32:1

Aa Black text on this color

2.52:1

White text reads better on this background (8.32:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#46466a · ΔE 4.8

Deuteranopia

#454469 · ΔE 5.3

Tritanopia

#416463 · ΔE 21.4

Achromatopsia

#4e4e4e · ΔE 15.7

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

Code

CSS

background-color: #404d72;

Tailwind (arbitrary value)

bg-[#404d72]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#404d72 (#404d72) is rgb(64, 77, 114) in RGB.

No, #404d72 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 #404d72, or check how it holds up for accessibility.

Generate a palette → Check contrast