#403e7f

Color #403e7f

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 8.54 Nearest Tailwind class indigo-900 #312c85 · ΔE 6.2

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

Conversions

HEX

#403e7f

RGB

rgb(64, 62, 127)

HSL

hsl(241.8, 34.4%, 37.1%)

HSV / HSB

hsv(241.8, 51.2%, 49.8%)

CMYK

cmyk(49.6%, 51.2%, 0%, 50.2%)

LAB

lab(29.58, 19.56, -36.67)

LCH

lch(29.58, 41.56, 298.08)

OKLCH

oklch(40.1%, 0.1066, 281.86)

HWB

hwb(241.8, 24.3%, 50.2%)

Harmony colors

Complementary

#7d7f3e

Analogous

#3e5d7f

#403e7f

#613e7f

Triadic

#403e7f

#7f403e

#3e7f40

Split-complementary

#403e7f

#7f613e

#5d7f3e

Tetradic

#403e7f

#7f3e7d

#7d7f3e

#3e7f40

Square

#403e7f

#7f3e5d

#7d7f3e

#3e7f61

Shades

Color #403e7f mixed toward black.

#35346a

#2b2955

#201f40

#15152a

#0b0a15

Tints

Color #403e7f mixed toward white.

#5250a3

#716fb9

#9593ca

#b8b7dc

#dcdbed

Tones

Color #403e7f mixed toward gray.

#45437a

#4a4974

#4f4e6f

#545469

#5a5964

Accessibility

Aa White text on this color

9.49:1

Aa Black text on this color

2.21:1

White text reads better on this background (9.49:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f73 · ΔE 2.8

Deuteranopia

#3f3f70 · ΔE 3.5

Tritanopia

#406967 · ΔE 27.5

Achromatopsia

#464646 · ΔE 22.2

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

Code

CSS

background-color: #403e7f;

Tailwind (arbitrary value)

bg-[#403e7f]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#403e7f (#403e7f) is rgb(64, 62, 127) in RGB.

No, #403e7f 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.

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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 #403e7f, or check how it holds up for accessibility.

Generate a palette → Check contrast