#404258

Color #404258

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 9.69 Nearest Tailwind class gray-700 #364153 · ΔE 5.5

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Conversions

HEX

#404258

RGB

rgb(64, 66, 88)

HSL

hsl(235, 15.8%, 29.8%)

HSV / HSB

hsv(235, 27.3%, 34.5%)

CMYK

cmyk(27.3%, 25%, 0%, 65.5%)

LAB

lab(28.62, 4.79, -13.37)

LCH

lch(28.62, 14.2, 289.71)

OKLCH

oklch(38.6%, 0.0374, 280.47)

HWB

hwb(235, 25.1%, 65.5%)

Harmony colors

Complementary

#585640

Analogous

#404e58

#404258

#4a4058

Triadic

#404258

#584042

#425840

Split-complementary

#404258

#584a40

#4e5840

Tetradic

#404258

#564058

#585640

#425840

Square

#404258

#58404e

#585640

#40584a

Shades

Color #404258 mixed toward black.

#353749

#2b2c3b

#20212c

#15161d

#0b0b0f

Tints

Color #404258 mixed toward white.

#595c7b

#75789b

#979ab4

#babbcd

#dcdde6

Tones

Color #404258 mixed toward gray.

#424456

#444554

#464752

#484950

#4a4a4e

Accessibility

Aa White text on this color

9.82:1

Aa Black text on this color

2.14:1

White text reads better on this background (9.82:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#414153 · ΔE 1.8

Deuteranopia

#414152 · ΔE 2.2

Tritanopia

#404f4e · ΔE 15.8

Achromatopsia

#434343 · ΔE 11.3

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

Code

CSS

background-color: #404258;

Tailwind (arbitrary value)

bg-[#404258]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#404258 (#404258) is rgb(64, 66, 88) in RGB.

No, #404258 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 #404258, or check how it holds up for accessibility.

Generate a palette → Check contrast