#40528b

Color #40528b

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 18.37 Nearest Tailwind class slate-600 #45556c · ΔE 7.6

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Conversions

HEX

#40528b

RGB

rgb(64, 82, 139)

HSL

hsl(225.6, 36.9%, 39.8%)

HSV / HSB

hsv(225.6, 54%, 54.5%)

CMYK

cmyk(54%, 41%, 0%, 45.5%)

LAB

lab(35.96, 10.41, -33.92)

LCH

lch(35.96, 35.48, 287.06)

OKLCH

oklch(45.2%, 0.0961, 269.11)

HWB

hwb(225.6, 25.1%, 45.5%)

Harmony colors

Complementary

#8b7940

Analogous

#40778b

#40528b

#54408b

Triadic

#40528b

#8b4052

#528b40

Split-complementary

#40528b

#8b5440

#778b40

Tetradic

#40528b

#79408b

#8b7940

#528b40

Square

#40528b

#8b4077

#8b7940

#408b54

Shades

Color #40528b mixed toward black.

#354474

#2b375d

#202945

#151b2e

#0b0e17

Tints

Color #40528b mixed toward white.

#5067ae

#7385be

#96a4cf

#b9c2df

#dce1ef

Tones

Color #40528b mixed toward gray.

#465585

#4d597e

#535c78

#595f72

#5f626c

Accessibility

Aa White text on this color

7.51:1

Aa Black text on this color

2.8:1

White text reads better on this background (7.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#484980 · ΔE 5

Deuteranopia

#47467d · ΔE 5.9

Tritanopia

#417774 · ΔE 26.6

Achromatopsia

#555555 · ΔE 20.1

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

Code

CSS

background-color: #40528b;

Tailwind (arbitrary value)

bg-[#40528b]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#40528b (#40528b) is rgb(64, 82, 139) in RGB.

No, #40528b 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.

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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 #40528b, or check how it holds up for accessibility.

Generate a palette → Check contrast