#40368d

Color #40368d

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 6.47 Nearest Tailwind class indigo-900 #312c85 · ΔE 3.3

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Conversions

HEX

#40368d

RGB

rgb(64, 54, 141)

HSL

hsl(246.9, 44.6%, 38.2%)

HSV / HSB

hsv(246.9, 61.7%, 55.3%)

CMYK

cmyk(54.6%, 61.7%, 0%, 44.7%)

LAB

lab(28.51, 29.42, -47.09)

LCH

lch(28.51, 55.52, 302)

OKLCH

oklch(39.6%, 0.1387, 283.25)

HWB

hwb(246.9, 21.2%, 44.7%)

Harmony colors

Complementary

#838d36

Analogous

#36578d

#40368d

#6b368d

Triadic

#40368d

#8d4036

#368d40

Split-complementary

#40368d

#8d6b36

#578d36

Tetradic

#40368d

#8d3683

#838d36

#368d40

Square

#40368d

#8d3657

#838d36

#368d6b

Shades

Color #40368d mixed toward black.

#352d75

#2b245e

#201b46

#15122f

#0b0917

Tints

Color #40368d mixed toward white.

#5145b3

#7267c5

#958dd3

#b8b3e2

#dcd9f0

Tones

Color #40368d mixed toward gray.

#463d86

#4b447e

#514c77

#565370

#5c5a69

Accessibility

Aa White text on this color

9.86:1

Aa Black text on this color

2.13:1

White text reads better on this background (9.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3c7f · ΔE 3.9

Deuteranopia

#3c3d7b · ΔE 4.8

Tritanopia

#40726e · ΔE 32.1

Achromatopsia

#434343 · ΔE 25

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

Code

CSS

background-color: #40368d;

Tailwind (arbitrary value)

bg-[#40368d]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#40368d (#40368d) is rgb(64, 54, 141) in RGB.

No, #40368d is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #40368d, or check how it holds up for accessibility.

Generate a palette → Check contrast