#405ee5

Color #405ee5

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 10.71 Nearest Tailwind class blue-600 #155dfc · ΔE 2.9

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

Conversions

HEX

#405ee5

RGB

rgb(64, 94, 229)

HSL

hsl(229.1, 76%, 57.5%)

HSV / HSB

hsv(229.1, 72.1%, 89.8%)

CMYK

cmyk(72.1%, 59%, 0%, 10.2%)

LAB

lab(45.29, 34.47, -71.65)

LCH

lch(45.29, 79.51, 295.69)

OKLCH

oklch(54.2%, 0.2068, 268.81)

HWB

hwb(229.1, 25.1%, 10.2%)

Harmony colors

Complementary

#e5c740

Analogous

#40b1e5

#405ee5

#7540e5

Triadic

#405ee5

#e5405e

#5ee540

Split-complementary

#405ee5

#e57540

#b1e540

Tetradic

#405ee5

#c740e5

#e5c740

#5ee540

Square

#405ee5

#e540b1

#e5c740

#40e575

Shades

Color #405ee5 mixed toward black.

#1d3fd7

#1732ac

#122681

#0c1956

#060d2b

Tints

Color #405ee5 mixed toward white.

#6079e9

#8094ee

#a0aff2

#bfc9f6

#dfe4fb

Tones

Color #405ee5 mixed toward gray.

#4e67d7

#5c70ca

#6978bc

#7781ae

#858aa0

Accessibility

Aa White text on this color

5.32:1

Aa Black text on this color

3.95:1

White text reads better on this background (5.32:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4f4fcf · ΔE 5.9

Deuteranopia

#4d4bc9 · ΔE 7.2

Tritanopia

#42bab5 · ΔE 41.8

Achromatopsia

#6b6b6b · ΔE 28.5

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

Code

CSS

background-color: #405ee5;

Tailwind (arbitrary value)

bg-[#405ee5]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#405ee5 (#405ee5) is rgb(64, 94, 229) in RGB.

No, #405ee5 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.

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.

Try it →

Build something with this color

Generate a full palette from #405ee5, or check how it holds up for accessibility.

Generate a palette → Check contrast