#223a79

Color #223a79

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.59 Nearest Tailwind class blue-900 #1c398e · ΔE 3.5

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

Conversions

HEX

#223a79

RGB

rgb(34, 58, 121)

HSL

hsl(223.4, 56.1%, 30.4%)

HSV / HSB

hsv(223.4, 71.9%, 47.5%)

CMYK

cmyk(71.9%, 52.1%, 0%, 52.5%)

LAB

lab(26, 13.79, -38.77)

LCH

lch(26, 41.15, 289.58)

OKLCH

oklch(36.7%, 0.1116, 265.53)

HWB

hwb(223.4, 13.3%, 52.5%)

Harmony colors

Complementary

#796122

Analogous

#226679

#223a79

#352279

Triadic

#223a79

#79223a

#3a7922

Split-complementary

#223a79

#793522

#667922

Tetradic

#223a79

#612279

#796122

#3a7922

Square

#223a79

#792266

#796122

#227935

Shades

Color #223a79 mixed toward black.

#1c3065

#172751

#111d3d

#0b1328

#060a14

Tints

Color #223a79 mixed toward white.

#2f50a7

#466bcb

#7490d8

#a3b5e5

#d1daf2

Tones

Color #223a79 mixed toward gray.

#293d72

#31416b

#384463

#3f475c

#464a55

Accessibility

Aa White text on this color

10.77:1

Aa Black text on this color

1.95:1

White text reads better on this background (10.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2e6e · ΔE 5.7

Deuteranopia

#2d2b6b · ΔE 6.5

Tritanopia

#246461 · ΔE 28.4

Achromatopsia

#3e3e3e · ΔE 21.7

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

Code

CSS

background-color: #223a79;

Tailwind (arbitrary value)

bg-[#223a79]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#223a79 (#223a79) is rgb(34, 58, 121) in RGB.

No, #223a79 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 #223a79, or check how it holds up for accessibility.

Generate a palette → Check contrast