#40389b

Color #40389b

A moderately saturated medium blue.

Closest named color Rebecca Purple #663399 · ΔE 12.02 Nearest Tailwind class indigo-800 #372aac · ΔE 4.5

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Conversions

HEX

#40389b

RGB

rgb(64, 56, 155)

HSL

hsl(244.8, 46.9%, 41.4%)

HSV / HSB

hsv(244.8, 63.9%, 60.8%)

CMYK

cmyk(58.7%, 63.9%, 0%, 39.2%)

LAB

lab(30.12, 32.79, -53.07)

LCH

lch(30.12, 62.38, 301.71)

OKLCH

oklch(41.1%, 0.1553, 280.72)

HWB

hwb(244.8, 22%, 39.2%)

Harmony colors

Complementary

#939b38

Analogous

#38629b

#40389b

#71389b

Triadic

#40389b

#9b4038

#389b40

Split-complementary

#40389b

#9b7138

#629b38

Tetradic

#40389b

#9b3893

#939b38

#389b40

Square

#40389b

#9b3862

#939b38

#389b71

Shades

Color #40389b mixed toward black.

#352f81

#2b2567

#201c4e

#151334

#0b091a

Tints

Color #40389b mixed toward white.

#5148bd

#746dca

#9791d7

#bab6e5

#dcdaf2

Tones

Color #40389b mixed toward gray.

#474093

#4e498b

#555182

#5c597a

#636172

Accessibility

Aa White text on this color

9.3:1

Aa Black text on this color

2.26:1

White text reads better on this background (9.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3d3d8b · ΔE 3.5

Deuteranopia

#3d3e87 · ΔE 4.4

Tritanopia

#407c79 · ΔE 34.1

Achromatopsia

#474747 · ΔE 26.1

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

Code

CSS

background-color: #40389b;

Tailwind (arbitrary value)

bg-[#40389b]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#40389b (#40389b) is rgb(64, 56, 155) in RGB.

No, #40389b 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.

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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 #40389b, or check how it holds up for accessibility.

Generate a palette → Check contrast