#404a55

Color #404a55

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 3.3 Nearest Tailwind class gray-600 #4a5565 · ΔE 4.5

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#404a55

RGB

rgb(64, 74, 85)

HSL

hsl(211.4, 14.1%, 29.2%)

HSV / HSB

hsv(211.4, 24.7%, 33.3%)

CMYK

cmyk(24.7%, 12.9%, 0%, 66.7%)

LAB

lab(30.98, -1.2, -7.85)

LCH

lch(30.98, 7.94, 261.31)

OKLCH

oklch(40.5%, 0.0226, 250.92)

HWB

hwb(211.4, 25.1%, 66.7%)

Harmony colors

Complementary

#554b40

Analogous

#405455

#404a55

#404055

Triadic

#404a55

#55404a

#4a5540

Split-complementary

#404a55

#554040

#545540

Tetradic

#404a55

#4b4055

#554b40

#4a5540

Square

#404a55

#554054

#554b40

#405540

Shades

Color #404a55 mixed toward black.

#353e47

#2b3139

#20252a

#15191c

#0b0c0e

Tints

Color #404a55 mixed toward white.

#5a6877

#768698

#98a4b1

#bac2cb

#dde1e5

Tones

Color #404a55 mixed toward gray.

#424a53

#434a51

#454a50

#474a4e

#494a4c

Accessibility

Aa White text on this color

9.02:1

Aa Black text on this color

2.33:1

White text reads better on this background (9.02:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#454552 · ΔE 6.1

Deuteranopia

#444352 · ΔE 7.3

Tritanopia

#415050 · ΔE 7.8

Achromatopsia

#494949 · ΔE 6.8

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

Code

CSS

background-color: #404a55;

Tailwind (arbitrary value)

bg-[#404a55]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Light Steel Blue #b0c4de

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#404a55 (#404a55) is rgb(64, 74, 85) in RGB.

No, #404a55 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #404a55, or check how it holds up for accessibility.

Generate a palette → Check contrast