#0f173f

Color #0f173f

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 29.61 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 3.9

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

Conversions

HEX

#0f173f

RGB

rgb(15, 23, 63)

HSL

hsl(230, 61.5%, 15.3%)

HSV / HSB

hsv(230, 76.2%, 24.7%)

CMYK

cmyk(76.2%, 63.5%, 0%, 75.3%)

LAB

lab(9.59, 12.29, -26.71)

LCH

lch(9.59, 29.4, 294.71)

OKLCH

oklch(22.5%, 0.0768, 270.52)

HWB

hwb(230, 5.9%, 75.3%)

Harmony colors

Complementary

#3f370f

Analogous

#0f2f3f

#0f173f

#1f0f3f

Triadic

#0f173f

#3f0f17

#173f0f

Split-complementary

#0f173f

#3f1f0f

#2f3f0f

Tetradic

#0f173f

#370f3f

#3f370f

#173f0f

Square

#0f173f

#3f0f2f

#3f370f

#0f3f1f

Shades

Color #0f173f mixed toward black.

#0d1335

#0a0f2a

#080c20

#050815

#03040b

Tints

Color #0f173f mixed toward white.

#1d2c79

#2b41b3

#5167d5

#8b99e3

#c5ccf1

Tones

Color #0f173f mixed toward gray.

#131a3b

#171c37

#1b1f33

#1f222f

#23242b

Accessibility

Aa White text on this color

17.29:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#131338 · ΔE 2.4

Deuteranopia

#121236 · ΔE 2.7

Tritanopia

#0f3231 · ΔE 24.6

Achromatopsia

#1b1b1b · ΔE 18.6

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

Code

CSS

background-color: #0f173f;

Tailwind (arbitrary value)

bg-[#0f173f]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#0f173f (#0f173f) is rgb(15, 23, 63) in RGB.

No, #0f173f 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 #0f173f, or check how it holds up for accessibility.

Generate a palette → Check contrast