#15319a

Color #15319a

A vivid, highly saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 14.13 Nearest Tailwind class blue-900 #1c398e · ΔE 3.5

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Conversions

HEX

#15319a

RGB

rgb(21, 49, 154)

HSL

hsl(227.4, 76%, 34.3%)

HSV / HSB

hsv(227.4, 86.4%, 60.4%)

CMYK

cmyk(86.4%, 68.2%, 0%, 39.6%)

LAB

lab(25.83, 31.64, -59.58)

LCH

lch(25.83, 67.46, 297.97)

OKLCH

oklch(37.3%, 0.1731, 265.89)

HWB

hwb(227.4, 8.2%, 39.6%)

Harmony colors

Complementary

#9a7e15

Analogous

#15739a

#15319a

#3c159a

Triadic

#15319a

#9a1531

#319a15

Split-complementary

#15319a

#9a3c15

#739a15

Tetradic

#15319a

#7e159a

#9a7e15

#319a15

Square

#15319a

#9a1573

#9a7e15

#159a3c

Shades

Color #15319a mixed toward black.

#112980

#0e2167

#0a184d

#071033

#03081a

Tints

Color #15319a mixed toward white.

#1c41cb

#3a5ee4

#6c86eb

#9daff2

#ced7f8

Tones

Color #15319a mixed toward gray.

#20378f

#2b3e84

#364479

#414b6e

#4c5163

Accessibility

Aa White text on this color

10.84:1

Aa Black text on this color

1.94:1

White text reads better on this background (10.84:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#24248a · ΔE 4.5

Deuteranopia

#222085 · ΔE 5.6

Tritanopia

#177b77 · ΔE 37.5

Achromatopsia

#3d3d3d · ΔE 26.9

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

Code

CSS

background-color: #15319a;

Tailwind (arbitrary value)

bg-[#15319a]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#15319a (#15319a) is rgb(21, 49, 154) in RGB.

No, #15319a 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.

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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 #15319a, or check how it holds up for accessibility.

Generate a palette → Check contrast