#172e3a

Color #172e3a

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 11.14 Nearest Tailwind class cyan-950 #053345 · ΔE 3.7

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Conversions

HEX

#172e3a

RGB

rgb(23, 46, 58)

HSL

hsl(200.6, 43.2%, 15.9%)

HSV / HSB

hsv(200.6, 60.3%, 22.7%)

CMYK

cmyk(60.3%, 20.7%, 0%, 77.3%)

LAB

lab(17.65, -4.89, -10.42)

LCH

lch(17.65, 11.51, 244.86)

OKLCH

oklch(28.8%, 0.0364, 232.82)

HWB

hwb(200.6, 9%, 77.3%)

Harmony colors

Complementary

#3a2317

Analogous

#173a35

#172e3a

#171d3a

Triadic

#172e3a

#3a172e

#2e3a17

Split-complementary

#172e3a

#3a171d

#3a3517

Tetradic

#172e3a

#23173a

#3a2317

#2e3a17

Square

#172e3a

#35173a

#3a2317

#1d3a17

Shades

Color #172e3a mixed toward black.

#132630

#0f1f27

#0c171d

#080f13

#04080a

Tints

Color #172e3a mixed toward white.

#2b576d

#407fa0

#65a2c2

#99c1d6

#cce0eb

Tones

Color #172e3a mixed toward gray.

#1a2d37

#1d2c34

#202b31

#232a2e

#26292b

Accessibility

Aa White text on this color

14.11:1

Aa Black text on this color

1.49:1

White text reads better on this background (14.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#232337 · ΔE 13.4

Deuteranopia

#222037 · ΔE 15.2

Tritanopia

#193535 · ΔE 8.6

Achromatopsia

#2b2b2b · ΔE 9.9

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

Code

CSS

background-color: #172e3a;

Tailwind (arbitrary value)

bg-[#172e3a]

Related colors

Light Sky Blue #87cefa

Sky Blue #87ceeb

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#172e3a (#172e3a) is rgb(23, 46, 58) in RGB.

No, #172e3a 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 #172e3a, or check how it holds up for accessibility.

Generate a palette → Check contrast