#404551

Color #404551

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 4.27 Nearest Tailwind class gray-700 #364153 · ΔE 3.5

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

Conversions

HEX

#404551

RGB

rgb(64, 69, 81)

HSL

hsl(222.4, 11.7%, 28.4%)

HSV / HSB

hsv(222.4, 21%, 31.8%)

CMYK

cmyk(21%, 14.8%, 0%, 68.2%)

LAB

lab(29.26, 0.93, -7.87)

LCH

lch(29.26, 7.92, 276.74)

OKLCH

oklch(39.1%, 0.0214, 267.59)

HWB

hwb(222.4, 25.1%, 68.2%)

Harmony colors

Complementary

#514c40

Analogous

#404d51

#404551

#434051

Triadic

#404551

#514045

#455140

Split-complementary

#404551

#514340

#4d5140

Tetradic

#404551

#4c4051

#514c40

#455140

Square

#404551

#51404d

#514c40

#405143

Shades

Color #404551 mixed toward black.

#353943

#2b2e36

#202228

#15171b

#0b0b0d

Tints

Color #404551 mixed toward white.

#5b6273

#777f94

#999fae

#bbbfc9

#dddfe4

Tones

Color #404551 mixed toward gray.

#41464f

#43464e

#44474d

#46474b

#47484a

Accessibility

Aa White text on this color

9.6:1

Aa Black text on this color

2.19:1

White text reads better on this background (9.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#42424e · ΔE 2.9

Deuteranopia

#42424e · ΔE 2.9

Tritanopia

#404c4c · ΔE 9.1

Achromatopsia

#454545 · ΔE 6.8

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

Code

CSS

background-color: #404551;

Tailwind (arbitrary value)

bg-[#404551]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#404551 (#404551) is rgb(64, 69, 81) in RGB.

No, #404551 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.

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Build something with this color

Generate a full palette from #404551, or check how it holds up for accessibility.

Generate a palette → Check contrast