#03409b

Color #03409b

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.18 Nearest Tailwind class blue-900 #1c398e · ΔE 3.3

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

Conversions

HEX

#03409b

RGB

rgb(3, 64, 155)

HSL

hsl(215.9, 96.2%, 31%)

HSV / HSB

hsv(215.9, 98.1%, 60.8%)

CMYK

cmyk(98.1%, 58.7%, 0%, 39.2%)

LAB

lab(29.54, 20.84, -54.12)

LCH

lch(29.54, 57.99, 291.06)

OKLCH

oklch(40%, 0.1591, 259.98)

HWB

hwb(215.9, 1.2%, 39.2%)

Harmony colors

Complementary

#9b5e03

Analogous

#038c9b

#03409b

#12039b

Triadic

#03409b

#9b0340

#409b03

Split-complementary

#03409b

#9b1203

#8c9b03

Tetradic

#03409b

#5e039b

#9b5e03

#409b03

Square

#03409b

#9b038c

#9b5e03

#039b12

Shades

Color #03409b mixed toward black.

#033581

#022b67

#02204e

#011534

#010b1a

Tints

Color #03409b mixed toward white.

#0458d5

#1974fb

#5296fc

#8cb9fd

#c5dcfe

Tones

Color #03409b mixed toward gray.

#10438e

#1c4582

#294875

#364a68

#424d5c

Accessibility

Aa White text on this color

9.5:1

Aa Black text on this color

2.21:1

White text reads better on this background (9.5:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2a8c · ΔE 8.5

Deuteranopia

#262288 · ΔE 10.4

Tritanopia

#0b7e7b · ΔE 34.8

Achromatopsia

#464646 · ΔE 25.3

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

Code

CSS

background-color: #03409b;

Tailwind (arbitrary value)

bg-[#03409b]

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

#03409b (#03409b) is rgb(3, 64, 155) in RGB.

No, #03409b 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 #03409b, or check how it holds up for accessibility.

Generate a palette → Check contrast