#40529b

Color #40529b

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 11.81 Nearest Tailwind class blue-900 #1c398e · ΔE 8.1

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Conversions

HEX

#40529b

RGB

rgb(64, 82, 155)

HSL

hsl(228.1, 41.6%, 42.9%)

HSV / HSB

hsv(228.1, 58.7%, 60.8%)

CMYK

cmyk(58.7%, 47.1%, 0%, 39.2%)

LAB

lab(36.91, 15.93, -42.1)

LCH

lch(36.91, 45.01, 290.73)

OKLCH

oklch(46.2%, 0.1201, 270.67)

HWB

hwb(228.1, 25.1%, 39.2%)

Harmony colors

Complementary

#9b8940

Analogous

#407f9b

#40529b

#5b409b

Triadic

#40529b

#9b4052

#529b40

Split-complementary

#40529b

#9b5b40

#7f9b40

Tetradic

#40529b

#89409b

#9b8940

#529b40

Square

#40529b

#9b407f

#9b8940

#409b5b

Shades

Color #40529b mixed toward black.

#354481

#2b3767

#20294d

#151b34

#0b0e1a

Tints

Color #40529b mixed toward white.

#5367b8

#7686c6

#98a4d4

#bac2e3

#dde1f1

Tones

Color #40529b mixed toward gray.

#475793

#4f5b8c

#576084

#5e647d

#666975

Accessibility

Aa White text on this color

7.25:1

Aa Black text on this color

2.9:1

White text reads better on this background (7.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#48498e · ΔE 4.6

Deuteranopia

#47468a · ΔE 5.6

Tritanopia

#41827f · ΔE 30

Achromatopsia

#575757 · ΔE 22.7

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

Code

CSS

background-color: #40529b;

Tailwind (arbitrary value)

bg-[#40529b]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#40529b (#40529b) is rgb(64, 82, 155) in RGB.

No, #40529b 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.

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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 #40529b, or check how it holds up for accessibility.

Generate a palette → Check contrast