#173c7b

Color #173c7b

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.31 Nearest Tailwind class blue-900 #1c398e · ΔE 3.8

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

Conversions

HEX

#173c7b

RGB

rgb(23, 60, 123)

HSL

hsl(217.8, 68.5%, 28.6%)

HSV / HSB

hsv(217.8, 81.3%, 48.2%)

CMYK

cmyk(81.3%, 51.2%, 0%, 51.8%)

LAB

lab(26.28, 11.64, -39.6)

LCH

lch(26.28, 41.28, 286.38)

OKLCH

oklch(36.8%, 0.1155, 260.38)

HWB

hwb(217.8, 9%, 51.8%)

Harmony colors

Complementary

#7b5617

Analogous

#176e7b

#173c7b

#24177b

Triadic

#173c7b

#7b173c

#3c7b17

Split-complementary

#173c7b

#7b2417

#6e7b17

Tetradic

#173c7b

#56177b

#7b5617

#3c7b17

Square

#173c7b

#7b176e

#7b5617

#177b24

Shades

Color #173c7b mixed toward black.

#133266

#0f2852

#0b1e3d

#081429

#040a14

Tints

Color #173c7b mixed toward white.

#2155ae

#3270d9

#6694e2

#99b8ec

#ccdbf5

Tones

Color #173c7b mixed toward gray.

#1f3e73

#28406a

#304262

#38455a

#414751

Accessibility

Aa White text on this color

10.67:1

Aa Black text on this color

1.97:1

White text reads better on this background (10.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2c70 · ΔE 7.6

Deuteranopia

#29266d · ΔE 9.1

Tritanopia

#1a6663 · ΔE 28.5

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: #173c7b;

Tailwind (arbitrary value)

bg-[#173c7b]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#173c7b (#173c7b) is rgb(23, 60, 123) in RGB.

No, #173c7b 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 #173c7b, or check how it holds up for accessibility.

Generate a palette → Check contrast