#170d37

Color #170d37

A moderately saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 29.13 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.9

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Conversions

HEX

#170d37

RGB

rgb(23, 13, 55)

HSL

hsl(254.3, 61.8%, 13.3%)

HSV / HSB

hsv(254.3, 76.4%, 21.6%)

CMYK

cmyk(58.2%, 76.4%, 0%, 78.4%)

LAB

lab(6.74, 17.99, -25.55)

LCH

lch(6.74, 31.25, 305.15)

OKLCH

oklch(20.3%, 0.0776, 288.48)

HWB

hwb(254.3, 5.1%, 78.4%)

Harmony colors

Complementary

#2d370d

Analogous

#0d1837

#170d37

#2c0d37

Triadic

#170d37

#37170d

#0d3717

Split-complementary

#170d37

#372c0d

#18370d

Tetradic

#170d37

#370d2d

#2d370d

#0d3717

Square

#170d37

#370d18

#2d370d

#0d372c

Shades

Color #170d37 mixed toward black.

#130b2e

#0f0925

#0b061b

#080412

#040209

Tints

Color #170d37 mixed toward white.

#301b72

#4929ae

#6d4cd5

#9d88e3

#cec3f1

Tones

Color #170d37 mixed toward gray.

#191033

#1b1430

#1c172c

#1e1b29

#201e25

Accessibility

Aa White text on this color

18.27:1

Aa Black text on this color

1.15:1

White text reads better on this background (18.27:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#131330 · ΔE 4.9

Deuteranopia

#14142f · ΔE 5.7

Tritanopia

#172a29 · ΔE 24

Achromatopsia

#151515 · ΔE 19.9

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

Code

CSS

background-color: #170d37;

Tailwind (arbitrary value)

bg-[#170d37]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#170d37 (#170d37) is rgb(23, 13, 55) in RGB.

No, #170d37 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 #170d37, or check how it holds up for accessibility.

Generate a palette → Check contrast