#004080

Color #004080

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.32 Nearest Tailwind class blue-900 #1c398e · ΔE 5.4

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

Conversions

HEX

#004080

RGB

rgb(0, 64, 128)

HSL

hsl(210, 100%, 25.1%)

HSV / HSB

hsv(210, 100%, 50.2%)

CMYK

cmyk(100%, 50%, 0%, 49.8%)

LAB

lab(27.37, 9.11, -41.01)

LCH

lch(27.37, 42.01, 282.52)

OKLCH

oklch(37.6%, 0.1226, 254.67)

HWB

hwb(210, 0%, 49.8%)

Harmony colors

Complementary

#804000

Analogous

#008080

#004080

#000080

Triadic

#004080

#800040

#408000

Split-complementary

#004080

#800000

#808000

Tetradic

#004080

#400080

#804000

#408000

Square

#004080

#800080

#804000

#008000

Shades

Color #004080 mixed toward black.

#00356b

#002b55

#002040

#00152b

#000b15

Tints

Color #004080 mixed toward white.

#0060c0

#0080ff

#40a0ff

#80bfff

#bfdfff

Tones

Color #004080 mixed toward gray.

#0b4075

#15406b

#204060

#2b4055

#35404b

Accessibility

Aa White text on this color

10.27:1

Aa Black text on this color

2.05:1

White text reads better on this background (10.27:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#292a74 · ΔE 10.4

Deuteranopia

#262171 · ΔE 12.7

Tritanopia

#086a68 · ΔE 28.1

Achromatopsia

#414141 · ΔE 21.7

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

Code

CSS

background-color: #004080;

Tailwind (arbitrary value)

bg-[#004080]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#004080 (#004080) is rgb(0, 64, 128) in RGB.

No, #004080 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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.

Try it → Generators

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 #004080, or check how it holds up for accessibility.

Generate a palette → Check contrast