#40539d

Color #40539d

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 11.99 Nearest Tailwind class blue-900 #1c398e · ΔE 8.4

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Conversions

HEX

#40539d

RGB

rgb(64, 83, 157)

HSL

hsl(227.7, 42.1%, 43.3%)

HSV / HSB

hsv(227.7, 59.2%, 61.6%)

CMYK

cmyk(59.2%, 47.1%, 0%, 38.4%)

LAB

lab(37.32, 15.98, -42.65)

LCH

lch(37.32, 45.55, 290.54)

OKLCH

oklch(46.6%, 0.1217, 270.28)

HWB

hwb(227.7, 25.1%, 38.4%)

Harmony colors

Complementary

#9d8a40

Analogous

#40819d

#40539d

#5b409d

Triadic

#40539d

#9d4053

#539d40

Split-complementary

#40539d

#9d5b40

#819d40

Tetradic

#40539d

#8a409d

#9d8a40

#539d40

Square

#40539d

#9d4081

#9d8a40

#409d5b

Shades

Color #40539d mixed toward black.

#354583

#2b3769

#20294e

#151c34

#0b0e1a

Tints

Color #40539d mixed toward white.

#5469b9

#7687c7

#98a5d5

#bbc3e3

#dde1f1

Tones

Color #40539d mixed toward gray.

#485895

#4f5c8d

#576186

#5f657e

#676a76

Accessibility

Aa White text on this color

7.14:1

Aa Black text on this color

2.94:1

White text reads better on this background (7.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#49498f · ΔE 5

Deuteranopia

#48468c · ΔE 5.9

Tritanopia

#418381 · ΔE 29.8

Achromatopsia

#585858 · ΔE 22.8

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

Code

CSS

background-color: #40539d;

Tailwind (arbitrary value)

bg-[#40539d]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#40539d (#40539d) is rgb(64, 83, 157) in RGB.

No, #40539d 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 #40539d, or check how it holds up for accessibility.

Generate a palette → Check contrast