#171d47

Color #171d47

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 26.98 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 3.1

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

Conversions

HEX

#171d47

RGB

rgb(23, 29, 71)

HSL

hsl(232.5, 51.1%, 18.4%)

HSV / HSB

hsv(232.5, 67.6%, 27.8%)

CMYK

cmyk(67.6%, 59.2%, 0%, 72.2%)

LAB

lab(12.71, 12.66, -27.24)

LCH

lch(12.71, 30.04, 294.93)

OKLCH

oklch(25.2%, 0.0782, 273.37)

HWB

hwb(232.5, 9%, 72.2%)

Harmony colors

Complementary

#474117

Analogous

#173547

#171d47

#291747

Triadic

#171d47

#47171d

#1d4717

Split-complementary

#171d47

#472917

#354717

Tetradic

#171d47

#411747

#474117

#1d4717

Square

#171d47

#471735

#474117

#174729

Shades

Color #171d47 mixed toward black.

#13183b

#0f132f

#0b0e23

#080a18

#04050c

Tints

Color #171d47 mixed toward white.

#28327b

#3948b0

#626fcc

#969fdd

#cbcfee

Tones

Color #171d47 mixed toward gray.

#1b2043

#1f233f

#23263b

#272937

#2b2c33

Accessibility

Aa White text on this color

16.11:1

Aa Black text on this color

1.3:1

White text reads better on this background (16.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a40 · ΔE 2.1

Deuteranopia

#19193e · ΔE 2.5

Tritanopia

#173938 · ΔE 24.6

Achromatopsia

#212121 · ΔE 18.8

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

Code

CSS

background-color: #171d47;

Tailwind (arbitrary value)

bg-[#171d47]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#171d47 (#171d47) is rgb(23, 29, 71) in RGB.

No, #171d47 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #171d47, or check how it holds up for accessibility.

Generate a palette → Check contrast