#305c99

Color #305c99

A moderately saturated dark blue.

Closest named color Steel Blue #4682b4 · ΔE 17.64 Nearest Tailwind class sky-800 #00598a · ΔE 5.8

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Conversions

HEX

#305c99

RGB

rgb(48, 92, 153)

HSL

hsl(214.9, 52.2%, 39.4%)

HSV / HSB

hsv(214.9, 68.6%, 60%)

CMYK

cmyk(68.6%, 39.9%, 0%, 40%)

LAB

lab(38.87, 5.64, -37.82)

LCH

lch(38.87, 38.24, 278.48)

OKLCH

oklch(47.4%, 0.1105, 257.03)

HWB

hwb(214.9, 18.8%, 40%)

Harmony colors

Complementary

#996d30

Analogous

#309099

#305c99

#393099

Triadic

#305c99

#99305c

#5c9930

Split-complementary

#305c99

#993930

#909930

Tetradic

#305c99

#6d3099

#996d30

#5c9930

Square

#305c99

#993090

#996d30

#309939

Shades

Color #305c99 mixed toward black.

#284d7f

#203d66

#182e4c

#101f33

#080f19

Tints

Color #305c99 mixed toward white.

#3c73c0

#628fce

#89abda

#b1c7e6

#d8e3f3

Tones

Color #305c99 mixed toward gray.

#395d90

#425f87

#4a607f

#536276

#5c636d

Accessibility

Aa White text on this color

6.74:1

Aa Black text on this color

3.12:1

White text reads better on this background (6.74:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#47478d · ΔE 10.6

Deuteranopia

#44418a · ΔE 12

Tritanopia

#338381 · ΔE 26.6

Achromatopsia

#5c5c5c · ΔE 20.6

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

Code

CSS

background-color: #305c99;

Tailwind (arbitrary value)

bg-[#305c99]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#305c99 (#305c99) is rgb(48, 92, 153) in RGB.

No, #305c99 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.

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Build something with this color

Generate a full palette from #305c99, or check how it holds up for accessibility.

Generate a palette → Check contrast