#303379

Color #303379

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 7.8 Nearest Tailwind class indigo-900 #312c85 · ΔE 3.6

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

Conversions

HEX

#303379

RGB

rgb(48, 51, 121)

HSL

hsl(237.5, 43.2%, 33.1%)

HSV / HSB

hsv(237.5, 60.3%, 47.5%)

CMYK

cmyk(60.3%, 57.9%, 0%, 52.5%)

LAB

lab(24.88, 21.25, -40.54)

LCH

lch(24.88, 45.77, 297.66)

OKLCH

oklch(36.1%, 0.1171, 276.97)

HWB

hwb(237.5, 18.8%, 52.5%)

Harmony colors

Complementary

#797630

Analogous

#305779

#303379

#513079

Triadic

#303379

#793033

#337930

Split-complementary

#303379

#795130

#577930

Tetradic

#303379

#763079

#797630

#337930

Square

#303379

#793057

#797630

#307951

Shades

Color #303379 mixed toward black.

#282a65

#202251

#18193c

#101128

#080814

Tints

Color #303379 mixed toward white.

#4044a2

#5c60be

#8588cf

#aeb0df

#d6d7ef

Tones

Color #303379 mixed toward gray.

#363973

#3c3e6d

#424467

#484961

#4e4f5a

Accessibility

Aa White text on this color

11.2:1

Aa Black text on this color

1.88:1

White text reads better on this background (11.2:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#31316d · ΔE 2.4

Deuteranopia

#31316a · ΔE 3

Tritanopia

#306260 · ΔE 28.9

Achromatopsia

#3b3b3b · ΔE 23.1

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

Code

CSS

background-color: #303379;

Tailwind (arbitrary value)

bg-[#303379]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#303379 (#303379) is rgb(48, 51, 121) in RGB.

No, #303379 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 #303379, or check how it holds up for accessibility.

Generate a palette → Check contrast