#043379

Color #043379

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.22 Nearest Tailwind class blue-900 #1c398e · ΔE 3.9

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

Conversions

HEX

#043379

RGB

rgb(4, 51, 121)

HSL

hsl(215.9, 93.6%, 24.5%)

HSV / HSB

hsv(215.9, 96.7%, 47.5%)

CMYK

cmyk(96.7%, 57.9%, 0%, 52.5%)

LAB

lab(22.91, 15.61, -43.82)

LCH

lch(22.91, 46.52, 289.61)

OKLCH

oklch(34.1%, 0.1289, 259.49)

HWB

hwb(215.9, 1.6%, 52.5%)

Harmony colors

Complementary

#794a04

Analogous

#046d79

#043379

#0f0479

Triadic

#043379

#790433

#337904

Split-complementary

#043379

#790f04

#6d7904

Tetradic

#043379

#4a0479

#794a04

#337904

Square

#043379

#79046d

#794a04

#04790f

Shades

Color #043379 mixed toward black.

#032a65

#032251

#02193c

#011128

#010814

Tints

Color #043379 mixed toward white.

#064db7

#0867f5

#458df9

#83b3fb

#c1d9fd

Tones

Color #043379 mixed toward gray.

#0e356f

#173765

#21395c

#2b3b52

#353d48

Accessibility

Aa White text on this color

11.97:1

Aa Black text on this color

1.75:1

White text reads better on this background (11.97:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#21216d · ΔE 7.7

Deuteranopia

#1e1b6a · ΔE 9.1

Tritanopia

#096260 · ΔE 30

Achromatopsia

#373737 · ΔE 23

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

Code

CSS

background-color: #043379;

Tailwind (arbitrary value)

bg-[#043379]

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

#043379 (#043379) is rgb(4, 51, 121) in RGB.

No, #043379 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.

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 #043379, or check how it holds up for accessibility.

Generate a palette → Check contrast