#405c74

Color #405c74

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 12.99 Nearest Tailwind class slate-600 #45556c · ΔE 4.5

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Conversions

HEX

#405c74

RGB

rgb(64, 92, 116)

HSL

hsl(207.7, 28.9%, 35.3%)

HSV / HSB

hsv(207.7, 44.8%, 45.5%)

CMYK

cmyk(44.8%, 20.7%, 0%, 54.5%)

LAB

lab(37.85, -3.44, -16.86)

LCH

lch(37.85, 17.21, 258.47)

OKLCH

oklch(46.3%, 0.0516, 245.12)

HWB

hwb(207.7, 25.1%, 54.5%)

Harmony colors

Complementary

#745840

Analogous

#407472

#405c74

#404274

Triadic

#405c74

#74405c

#5c7440

Split-complementary

#405c74

#744042

#747240

Tetradic

#405c74

#584074

#745840

#5c7440

Square

#405c74

#724074

#745840

#427440

Shades

Color #405c74 mixed toward black.

#354d61

#2b3d4d

#202e3a

#151f27

#0b0f13

Tints

Color #405c74 mixed toward white.

#547897

#7193b1

#95aec4

#b8c9d8

#dce4eb

Tones

Color #405c74 mixed toward gray.

#445c70

#495b6b

#4d5b67

#515b63

#565a5e

Accessibility

Aa White text on this color

7:1

Aa Black text on this color

3:1

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

Under color vision deficiencies

Protanopia

#4e4e6f · ΔE 12.7

Deuteranopia

#4c4a6d · ΔE 13.8

Tritanopia

#426a69 · ΔE 14.5

Achromatopsia

#595959 · ΔE 12.6

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

Code

CSS

background-color: #405c74;

Tailwind (arbitrary value)

bg-[#405c74]

Related colors

Alice Blue #f0f8ff

Steel Blue #4682b4

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#405c74 (#405c74) is rgb(64, 92, 116) in RGB.

No, #405c74 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 #405c74, or check how it holds up for accessibility.

Generate a palette → Check contrast