#1d1739

Color #1d1739

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 27.07 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 5.2

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Conversions

HEX

#1d1739

RGB

rgb(29, 23, 57)

HSL

hsl(250.6, 42.5%, 15.7%)

HSV / HSB

hsv(250.6, 59.6%, 22.4%)

CMYK

cmyk(49.1%, 59.6%, 0%, 77.6%)

LAB

lab(10.33, 13.34, -21.17)

LCH

lch(10.33, 25.02, 302.22)

OKLCH

oklch(23.2%, 0.0634, 288.58)

HWB

hwb(250.6, 9%, 77.6%)

Harmony colors

Complementary

#333917

Analogous

#172239

#1d1739

#2e1739

Triadic

#1d1739

#391d17

#17391d

Split-complementary

#1d1739

#392e17

#223917

Tetradic

#1d1739

#391733

#333917

#17391d

Square

#1d1739

#391722

#333917

#17392e

Shades

Color #1d1739 mixed toward black.

#181330

#130f26

#0f0c1d

#0a0813

#05040a

Tints

Color #1d1739 mixed toward white.

#372c6c

#51409f

#7666c1

#a499d6

#d1ccea

Tones

Color #1d1739 mixed toward gray.

#1f1a36

#211d33

#232031

#24222e

#26252b

Accessibility

Aa White text on this color

17.02:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.02:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b33 · ΔE 4.6

Deuteranopia

#1b1b31 · ΔE 5.4

Tritanopia

#1d2e2c · ΔE 23.1

Achromatopsia

#1c1c1c · ΔE 17.4

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

Code

CSS

background-color: #1d1739;

Tailwind (arbitrary value)

bg-[#1d1739]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#1d1739 (#1d1739) is rgb(29, 23, 57) in RGB.

No, #1d1739 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 #1d1739, or check how it holds up for accessibility.

Generate a palette → Check contrast