#303f6e

Color #303f6e

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 21.59 Nearest Tailwind class blue-900 #1c398e · ΔE 6.5

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

Conversions

HEX

#303f6e

RGB

rgb(48, 63, 110)

HSL

hsl(225.5, 39.2%, 31%)

HSV / HSB

hsv(225.5, 56.4%, 43.1%)

CMYK

cmyk(56.4%, 42.7%, 0%, 56.9%)

LAB

lab(27.6, 9.04, -29.19)

LCH

lch(27.6, 30.56, 287.21)

OKLCH

oklch(37.9%, 0.0828, 268.89)

HWB

hwb(225.5, 18.8%, 56.9%)

Harmony colors

Complementary

#6e5f30

Analogous

#305e6e

#303f6e

#40306e

Triadic

#303f6e

#6e303f

#3f6e30

Split-complementary

#303f6e

#6e4030

#5e6e30

Tetradic

#303f6e

#5f306e

#6e5f30

#3f6e30

Square

#303f6e

#6e305e

#6e5f30

#306e40

Shades

Color #303f6e mixed toward black.

#28355c

#202a49

#182037

#101525

#080b12

Tints

Color #303f6e mixed toward white.

#425697

#5c72b8

#8595ca

#adb8db

#d6dced

Tones

Color #303f6e mixed toward gray.

#354269

#3a4464

#40475f

#454a59

#4a4c54

Accessibility

Aa White text on this color

10.19:1

Aa Black text on this color

2.06:1

White text reads better on this background (10.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#373765 · ΔE 4.6

Deuteranopia

#363563 · ΔE 5.1

Tritanopia

#315d5b · ΔE 24.6

Achromatopsia

#414141 · ΔE 18.6

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

Code

CSS

background-color: #303f6e;

Tailwind (arbitrary value)

bg-[#303f6e]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#303f6e (#303f6e) is rgb(48, 63, 110) in RGB.

No, #303f6e 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.

Try it →

Build something with this color

Generate a full palette from #303f6e, or check how it holds up for accessibility.

Generate a palette → Check contrast