#1f175d

Color #1f175d

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 10.54 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.1

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Conversions

HEX

#1f175d

RGB

rgb(31, 23, 93)

HSL

hsl(246.9, 60.3%, 22.7%)

HSV / HSB

hsv(246.9, 75.3%, 36.5%)

CMYK

cmyk(66.7%, 75.3%, 0%, 63.5%)

LAB

lab(13.79, 26.86, -40.44)

LCH

lch(13.79, 48.55, 303.59)

OKLCH

oklch(26.8%, 0.1184, 279.97)

HWB

hwb(246.9, 9%, 63.5%)

Harmony colors

Complementary

#555d17

Analogous

#17325d

#1f175d

#42175d

Triadic

#1f175d

#5d1f17

#175d1f

Split-complementary

#1f175d

#5d4217

#325d17

Tetradic

#1f175d

#5d1755

#555d17

#175d1f

Square

#1f175d

#5d1732

#555d17

#175d42

Shades

Color #1f175d mixed toward black.

#1a134d

#150f3e

#100b2e

#0a081f

#05040f

Tints

Color #1f175d mixed toward white.

#312491

#4231c6

#6f61d8

#9f96e5

#cfcaf2

Tones

Color #1f175d mixed toward gray.

#231d57

#282351

#2c284b

#312e46

#353440

Accessibility

Aa White text on this color

15.68:1

Aa Black text on this color

1.34:1

White text reads better on this background (15.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c52 · ΔE 3.6

Deuteranopia

#1c1d4f · ΔE 4.5

Tritanopia

#1f4946 · ΔE 29.3

Achromatopsia

#232323 · ΔE 23.8

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

Code

CSS

background-color: #1f175d;

Tailwind (arbitrary value)

bg-[#1f175d]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1f175d (#1f175d) is rgb(31, 23, 93) in RGB.

No, #1f175d 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 #1f175d, or check how it holds up for accessibility.

Generate a palette → Check contrast