#405b75

Color #405b75

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 13.55 Nearest Tailwind class slate-600 #45556c · ΔE 3.7

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Conversions

HEX

#405b75

RGB

rgb(64, 91, 117)

HSL

hsl(209.4, 29.3%, 35.5%)

HSV / HSB

hsv(209.4, 45.3%, 45.9%)

CMYK

cmyk(45.3%, 22.2%, 0%, 54.1%)

LAB

lab(37.58, -2.51, -17.89)

LCH

lch(37.58, 18.07, 262.01)

OKLCH

oklch(46.1%, 0.0535, 248.18)

HWB

hwb(209.4, 25.1%, 54.1%)

Harmony colors

Complementary

#755a40

Analogous

#407575

#405b75

#404175

Triadic

#405b75

#75405b

#5b7540

Split-complementary

#405b75

#754041

#757540

Tetradic

#405b75

#5a4075

#755a40

#5b7540

Square

#405b75

#754075

#755a40

#417540

Shades

Color #405b75 mixed toward black.

#354c62

#2b3d4e

#202e3b

#151e27

#0b0f14

Tints

Color #405b75 mixed toward white.

#537798

#7192b1

#95adc5

#b8c8d8

#dce4ec

Tones

Color #405b75 mixed toward gray.

#445b71

#495b6c

#4d5b68

#525b63

#565b5f

Accessibility

Aa White text on this color

7.07:1

Aa Black text on this color

2.97:1

White text reads better on this background (7.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4d4d6f · ΔE 11.9

Deuteranopia

#4b496e · ΔE 12.8

Tritanopia

#426b6a · ΔE 15.6

Achromatopsia

#585858 · ΔE 13

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

Code

CSS

background-color: #405b75;

Tailwind (arbitrary value)

bg-[#405b75]

Related colors

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#405b75 (#405b75) is rgb(64, 91, 117) in RGB.

No, #405b75 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 #405b75, or check how it holds up for accessibility.

Generate a palette → Check contrast