#300d8e

Color #300d8e

A vivid, highly saturated dark blue.

Closest named color Navy #000080 · ΔE 6.98 Nearest Tailwind class violet-900 #4d179a · ΔE 4.6

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Conversions

HEX

#300d8e

RGB

rgb(48, 13, 142)

HSL

hsl(256.3, 83.2%, 30.4%)

HSV / HSB

hsv(256.3, 90.8%, 55.7%)

CMYK

cmyk(66.2%, 90.8%, 0%, 44.3%)

LAB

lab(19.51, 48.68, -62.55)

LCH

lch(19.51, 79.26, 307.89)

OKLCH

oklch(32.9%, 0.1842, 281.65)

HWB

hwb(256.3, 5.1%, 44.3%)

Harmony colors

Complementary

#6b8e0d

Analogous

#0d2a8e

#300d8e

#710d8e

Triadic

#300d8e

#8e300d

#0d8e30

Split-complementary

#300d8e

#8e710d

#2a8e0d

Tetradic

#300d8e

#8e0d6b

#6b8e0d

#0d8e30

Square

#300d8e

#8e0d2a

#6b8e0d

#0d8e71

Shades

Color #300d8e mixed toward black.

#280b76

#20095f

#180747

#10042f

#080218

Tints

Color #300d8e mixed toward white.

#4212c4

#5c26eb

#855cf0

#ad93f5

#d6c9fa

Tones

Color #300d8e mixed toward gray.

#351883

#3a2379

#3f2d6e

#443863

#494358

Accessibility

Aa White text on this color

13.34:1

Aa Black text on this color

1.57:1

White text reads better on this background (13.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#25257d · ΔE 6.3

Deuteranopia

#272979 · ΔE 7.7

Tritanopia

#2f6e6a · ΔE 37.4

Achromatopsia

#2f2f2f · ΔE 28.5

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

Code

CSS

background-color: #300d8e;

Tailwind (arbitrary value)

bg-[#300d8e]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#300d8e (#300d8e) is rgb(48, 13, 142) in RGB.

No, #300d8e 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 #300d8e, or check how it holds up for accessibility.

Generate a palette → Check contrast