#404f7d

Color #404f7d

A muted dark blue.

Closest named color Steel Blue #4682b4 · ΔE 22.04 Nearest Tailwind class slate-600 #45556c · ΔE 6.8

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Conversions

HEX

#404f7d

RGB

rgb(64, 79, 125)

HSL

hsl(225.2, 32.3%, 37.1%)

HSV / HSB

hsv(225.2, 48.8%, 49%)

CMYK

cmyk(48.8%, 36.8%, 0%, 51%)

LAB

lab(34.32, 7.67, -27.91)

LCH

lch(34.32, 28.94, 285.37)

OKLCH

oklch(43.7%, 0.0786, 269.27)

HWB

hwb(225.2, 25.1%, 51%)

Harmony colors

Complementary

#7d6e40

Analogous

#406e7d

#404f7d

#50407d

Triadic

#404f7d

#7d404f

#4f7d40

Split-complementary

#404f7d

#7d5040

#6e7d40

Tetradic

#404f7d

#6e407d

#7d6e40

#4f7d40

Square

#404f7d

#7d406e

#7d6e40

#407d50

Shades

Color #404f7d mixed toward black.

#354268

#2b3553

#20283f

#151a2a

#0b0d15

Tints

Color #404f7d mixed toward white.

#5265a1

#7283b7

#95a2c9

#b8c1db

#dce0ed

Tones

Color #404f7d mixed toward gray.

#455278

#4a5473

#4f576e

#545969

#5a5c64

Accessibility

Aa White text on this color

7.98:1

Aa Black text on this color

2.63:1

White text reads better on this background (7.98:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#474774 · ΔE 4.8

Deuteranopia

#464572 · ΔE 5.4

Tritanopia

#416c6a · ΔE 24

Achromatopsia

#515151 · ΔE 17.9

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

Code

CSS

background-color: #404f7d;

Tailwind (arbitrary value)

bg-[#404f7d]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#404f7d (#404f7d) is rgb(64, 79, 125) in RGB.

No, #404f7d 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 #404f7d, or check how it holds up for accessibility.

Generate a palette → Check contrast