#404840

Color #404840

A nearly neutral, gray-leaning dark green.

Closest named color Dark Slate Gray #2f4f4f · ΔE 10.09 Nearest Tailwind class olive-700 #474739 · ΔE 4.9

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Conversions

HEX

#404840

RGB

rgb(64, 72, 64)

HSL

hsl(120, 5.9%, 26.7%)

HSV / HSB

hsv(120, 11.1%, 28.2%)

CMYK

cmyk(11.1%, 0%, 11.1%, 71.8%)

LAB

lab(29.65, -5.07, 3.7)

LCH

lch(29.65, 6.28, 143.88)

OKLCH

oklch(39.2%, 0.0169, 145.37)

HWB

hwb(120, 25.1%, 71.8%)

Harmony colors

Complementary

#484048

Analogous

#444840

#404840

#404844

Triadic

#404840

#404048

#484040

Split-complementary

#404840

#444048

#484044

Tetradic

#404840

#404848

#484048

#484040

Square

#404840

#404448

#484048

#484440

Shades

Color #404840 mixed toward black.

#353c35

#2b302b

#202420

#151815

#0b0c0b

Tints

Color #404840 mixed toward white.

#5d695d

#7b8a7b

#9ca79c

#bdc4bd

#dee2de

Tones

Color #404840 mixed toward gray.

#414741

#424642

#434543

Accessibility

Aa White text on this color

9.46:1

Aa Black text on this color

2.22:1

White text reads better on this background (9.46:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#444442 · ΔE 6.1

Deuteranopia

#434343 · ΔE 7.2

Tritanopia

#404444 · ΔE 5.6

Achromatopsia

#464646 · ΔE 7.1

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

Code

CSS

background-color: #404840;

Tailwind (arbitrary value)

bg-[#404840]

Related colors

Forest Green #228b22

Mint Green #98ff98

Dark Green #006400

Dark Sea Green #8fbc8f

Green #008000

Honeydew #f0fff0

Frequently asked questions

#404840 (#404840) is rgb(64, 72, 64) in RGB.

No, #404840 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 #404840, or check how it holds up for accessibility.

Generate a palette → Check contrast