#405ca0

Color #405ca0

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.59 Nearest Tailwind class sky-800 #00598a · ΔE 9

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Conversions

HEX

#405ca0

RGB

rgb(64, 92, 160)

HSL

hsl(222.5, 42.9%, 43.9%)

HSV / HSB

hsv(222.5, 60%, 62.7%)

CMYK

cmyk(60%, 42.5%, 0%, 37.3%)

LAB

lab(40.05, 11.2, -40.08)

LCH

lch(40.05, 41.62, 285.61)

OKLCH

oklch(48.7%, 0.1144, 265.49)

HWB

hwb(222.5, 25.1%, 37.3%)

Harmony colors

Complementary

#a08440

Analogous

#408ca0

#405ca0

#5440a0

Triadic

#405ca0

#a0405c

#5ca040

Split-complementary

#405ca0

#a05440

#8ca040

Tetradic

#405ca0

#8440a0

#a08440

#5ca040

Square

#405ca0

#a0408c

#a08440

#40a054

Shades

Color #405ca0 mixed toward black.

#354d85

#2b3d6b

#202e50

#151f35

#0b0f1b

Tints

Color #405ca0 mixed toward white.

#5572bb

#778fc9

#99abd6

#bbc7e4

#dde3f1

Tones

Color #405ca0 mixed toward gray.

#485f98

#506390

#586688

#606980

#686d78

Accessibility

Aa White text on this color

6.45:1

Aa Black text on this color

3.26:1

White text reads better on this background (6.45:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4e4e93 · ΔE 7.1

Deuteranopia

#4c4a90 · ΔE 8.2

Tritanopia

#428885 · ΔE 28.8

Achromatopsia

#5e5e5e · ΔE 21.7

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

Code

CSS

background-color: #405ca0;

Tailwind (arbitrary value)

bg-[#405ca0]

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

#405ca0 (#405ca0) is rgb(64, 92, 160) in RGB.

No, #405ca0 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.

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 #405ca0, or check how it holds up for accessibility.

Generate a palette → Check contrast