#403f4b

Color #403f4b

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 6.7 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 2.9

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Conversions

HEX

#403f4b

RGB

rgb(64, 63, 75)

HSL

hsl(245, 8.7%, 27.1%)

HSV / HSB

hsv(245, 16%, 29.4%)

CMYK

cmyk(14.7%, 16%, 0%, 70.6%)

LAB

lab(27.17, 3.28, -7.11)

LCH

lch(27.17, 7.83, 294.76)

OKLCH

oklch(37.3%, 0.0204, 289.14)

HWB

hwb(245, 24.7%, 70.6%)

Harmony colors

Complementary

#4a4b3f

Analogous

#3f444b

#403f4b

#463f4b

Triadic

#403f4b

#4b403f

#3f4b40

Split-complementary

#403f4b

#4b463f

#444b3f

Tetradic

#403f4b

#4b3f4a

#4a4b3f

#3f4b40

Square

#403f4b

#4b3f44

#4a4b3f

#3f4b46

Shades

Color #403f4b mixed toward black.

#35353f

#2b2a32

#202026

#151519

#0b0b0d

Tints

Color #403f4b mixed toward white.

#5d5b6d

#7a788e

#9b9aaa

#bdbcc6

#dedde3

Tones

Color #403f4b mixed toward gray.

#41404a

#424149

#434248

#434347

#444446

Accessibility

Aa White text on this color

10.34:1

Aa Black text on this color

2.03:1

White text reads better on this background (10.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#404048 · ΔE 2.4

Deuteranopia

#404048 · ΔE 2.4

Tritanopia

#404646 · ΔE 9.3

Achromatopsia

#404040 · ΔE 7.2

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

Code

CSS

background-color: #403f4b;

Tailwind (arbitrary value)

bg-[#403f4b]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#403f4b (#403f4b) is rgb(64, 63, 75) in RGB.

No, #403f4b 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 #403f4b, or check how it holds up for accessibility.

Generate a palette → Check contrast