#404289

Color #404289

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 6.15 Nearest Tailwind class blue-900 #1c398e · ΔE 5.5

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#404289

RGB

rgb(64, 66, 137)

HSL

hsl(238.4, 36.3%, 39.4%)

HSV / HSB

hsv(238.4, 53.3%, 53.7%)

CMYK

cmyk(53.3%, 51.8%, 0%, 46.3%)

LAB

lab(31.33, 20.26, -40.08)

LCH

lch(31.33, 44.91, 296.82)

OKLCH

oklch(41.6%, 0.1157, 278.9)

HWB

hwb(238.4, 25.1%, 46.3%)

Harmony colors

Complementary

#898740

Analogous

#406689

#404289

#634089

Triadic

#404289

#894042

#428940

Split-complementary

#404289

#896340

#668940

Tetradic

#404289

#874089

#898740

#428940

Square

#404289

#894066

#898740

#408963

Shades

Color #404289 mixed toward black.

#353772

#2b2c5b

#202144

#15162e

#0b0b17

Tints

Color #404289 mixed toward white.

#5053ac

#7375bd

#9697ce

#b9bade

#dcdcef

Tones

Color #404289 mixed toward gray.

#464883

#4c4d7d

#525377

#585971

#5e5f6b

Accessibility

Aa White text on this color

8.9:1

Aa Black text on this color

2.36:1

White text reads better on this background (8.9:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#41417c · ΔE 2.6

Deuteranopia

#414179 · ΔE 3.3

Tritanopia

#40716e · ΔE 29.2

Achromatopsia

#4a4a4a · ΔE 22.9

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

Code

CSS

background-color: #404289;

Tailwind (arbitrary value)

bg-[#404289]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#404289 (#404289) is rgb(64, 66, 137) in RGB.

No, #404289 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #404289, or check how it holds up for accessibility.

Generate a palette → Check contrast