#004ea1

Color #004ea1

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.37 Nearest Tailwind class sky-800 #00598a · ΔE 6.7

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

Conversions

HEX

#004ea1

RGB

rgb(0, 78, 161)

HSL

hsl(210.9, 100%, 31.6%)

HSV / HSB

hsv(210.9, 100%, 63.1%)

CMYK

cmyk(100%, 51.6%, 0%, 36.9%)

LAB

lab(34.03, 13.57, -50.46)

LCH

lch(34.03, 52.25, 285.05)

OKLCH

oklch(43.5%, 0.1499, 256.22)

HWB

hwb(210.9, 0%, 36.9%)

Harmony colors

Complementary

#a15300

Analogous

#009fa1

#004ea1

#0200a1

Triadic

#004ea1

#a1004e

#4ea100

Split-complementary

#004ea1

#a10200

#9fa100

Tetradic

#004ea1

#5300a1

#a15300

#4ea100

Square

#004ea1

#a1009f

#a15300

#00a102

Shades

Color #004ea1 mixed toward black.

#004186

#00346b

#002751

#001a36

#000d1b

Tints

Color #004ea1 mixed toward white.

#006adb

#1687ff

#51a5ff

#8bc3ff

#c5e1ff

Tones

Color #004ea1 mixed toward gray.

#0d4f94

#1b4f86

#284f79

#36506b

#43505e

Accessibility

Aa White text on this color

8.06:1

Aa Black text on this color

2.6:1

White text reads better on this background (8.06:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#333392 · ΔE 11.5

Deuteranopia

#2f2a8e · ΔE 13.7

Tritanopia

#0c8582 · ΔE 32.8

Achromatopsia

#505050 · ΔE 24.1

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

Code

CSS

background-color: #004ea1;

Tailwind (arbitrary value)

bg-[#004ea1]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Light Steel Blue #b0c4de

Steel Blue #4682b4

Frequently asked questions

#004ea1 (#004ea1) is rgb(0, 78, 161) in RGB.

No, #004ea1 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 #004ea1, or check how it holds up for accessibility.

Generate a palette → Check contrast