#40557d

Color #40557d

A muted dark blue.

Closest named color Steel Blue #4682b4 · ΔE 19.49 Nearest Tailwind class slate-600 #45556c · ΔE 5.1

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Conversions

HEX

#40557d

RGB

rgb(64, 85, 125)

HSL

hsl(219.3, 32.3%, 37.1%)

HSV / HSB

hsv(219.3, 48.8%, 49%)

CMYK

cmyk(48.8%, 32%, 0%, 51%)

LAB

lab(36.11, 3.8, -25.1)

LCH

lch(36.11, 25.39, 278.61)

OKLCH

oklch(45%, 0.071, 262.63)

HWB

hwb(219.3, 25.1%, 51%)

Harmony colors

Complementary

#7d6840

Analogous

#40747d

#40557d

#4a407d

Triadic

#40557d

#7d4055

#557d40

Split-complementary

#40557d

#7d4a40

#747d40

Tetradic

#40557d

#68407d

#7d6840

#557d40

Square

#40557d

#7d4074

#7d6840

#407d4a

Shades

Color #40557d mixed toward black.

#354768

#2b3953

#202b3f

#151c2a

#0b0e15

Tints

Color #40557d mixed toward white.

#526da1

#7289b7

#95a7c9

#b8c4db

#dce2ed

Tones

Color #40557d mixed toward gray.

#455778

#4a5873

#4f5a6e

#545b69

#5a5d64

Accessibility

Aa White text on this color

7.46:1

Aa Black text on this color

2.81:1

White text reads better on this background (7.46:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4a4a75 · ΔE 7

Deuteranopia

#494773 · ΔE 7.9

Tritanopia

#416e6c · ΔE 22

Achromatopsia

#555555 · ΔE 16.3

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

Code

CSS

background-color: #40557d;

Tailwind (arbitrary value)

bg-[#40557d]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#40557d (#40557d) is rgb(64, 85, 125) in RGB.

No, #40557d 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 #40557d, or check how it holds up for accessibility.

Generate a palette → Check contrast