#172f41

Color #172f41

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 11.8 Nearest Tailwind class sky-950 #052f4a · ΔE 3.5

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Conversions

HEX

#172f41

RGB

rgb(23, 47, 65)

HSL

hsl(205.7, 47.7%, 17.3%)

HSV / HSB

hsv(205.7, 64.6%, 25.5%)

CMYK

cmyk(64.6%, 27.7%, 0%, 74.5%)

LAB

lab(18.35, -2.95, -14.16)

LCH

lch(18.35, 14.46, 258.23)

OKLCH

oklch(29.5%, 0.0447, 242.69)

HWB

hwb(205.7, 9%, 74.5%)

Harmony colors

Complementary

#412917

Analogous

#17413e

#172f41

#171a41

Triadic

#172f41

#41172f

#2f4117

Split-complementary

#172f41

#41171a

#413e17

Tetradic

#172f41

#291741

#412917

#2f4117

Square

#172f41

#3e1741

#412917

#1a4117

Shades

Color #172f41 mixed toward black.

#132736

#0f1f2b

#0c1821

#081016

#04080b

Tints

Color #172f41 mixed toward white.

#295575

#3c7aa9

#639dc8

#97beda

#cbdeed

Tones

Color #172f41 mixed toward gray.

#1b2f3e

#1e2e3a

#222e37

#252d33

#292d30

Accessibility

Aa White text on this color

13.82:1

Aa Black text on this color

1.52:1

White text reads better on this background (13.82:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#23243d · ΔE 11.8

Deuteranopia

#22203c · ΔE 13.7

Tritanopia

#193a39 · ΔE 13

Achromatopsia

#2d2d2d · ΔE 11.1

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

Code

CSS

background-color: #172f41;

Tailwind (arbitrary value)

bg-[#172f41]

Related colors

Steel Blue #4682b4

Charcoal #36454f

Alice Blue #f0f8ff

Light Sky Blue #87cefa

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#172f41 (#172f41) is rgb(23, 47, 65) in RGB.

No, #172f41 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.

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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 #172f41, or check how it holds up for accessibility.

Generate a palette → Check contrast