#303a74

Color #303a74

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 14.23 Nearest Tailwind class blue-900 #1c398e · ΔE 5.2

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

Conversions

HEX

#303a74

RGB

rgb(48, 58, 116)

HSL

hsl(231.2, 41.5%, 32.2%)

HSV / HSB

hsv(231.2, 58.6%, 45.5%)

CMYK

cmyk(58.6%, 50%, 0%, 54.5%)

LAB

lab(26.49, 14.64, -34.77)

LCH

lch(26.49, 37.73, 292.83)

OKLCH

oklch(37.2%, 0.0994, 273.29)

HWB

hwb(231.2, 18.8%, 54.5%)

Harmony colors

Complementary

#746a30

Analogous

#305c74

#303a74

#483074

Triadic

#303a74

#74303a

#3a7430

Split-complementary

#303a74

#744830

#5c7430

Tetradic

#303a74

#6a3074

#746a30

#3a7430

Square

#303a74

#74305c

#746a30

#307448

Shades

Color #303a74 mixed toward black.

#283061

#20274d

#181d3a

#101327

#080a13

Tints

Color #303a74 mixed toward white.

#414e9d

#5c6abc

#858fcc

#adb4dd

#d6daee

Tones

Color #303a74 mixed toward gray.

#363e6f

#3b4269

#414663

#474a5d

#4c4e58

Accessibility

Aa White text on this color

10.59:1

Aa Black text on this color

1.98:1

White text reads better on this background (10.59:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#353569 · ΔE 3.2

Deuteranopia

#343367 · ΔE 3.7

Tritanopia

#31605e · ΔE 26.8

Achromatopsia

#3f3f3f · ΔE 21

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

Code

CSS

background-color: #303a74;

Tailwind (arbitrary value)

bg-[#303a74]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#303a74 (#303a74) is rgb(48, 58, 116) in RGB.

No, #303a74 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 #303a74, or check how it holds up for accessibility.

Generate a palette → Check contrast