#1d1d91

Color #1d1d91

A moderately saturated dark blue.

Closest named color Navy #000080 · ΔE 10.27 Nearest Tailwind class indigo-900 #312c85 · ΔE 4.7

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Conversions

HEX

#1d1d91

RGB

rgb(29, 29, 145)

HSL

hsl(240, 66.7%, 34.1%)

HSV / HSB

hsv(240, 80%, 56.9%)

CMYK

cmyk(80%, 80%, 0%, 43.1%)

LAB

lab(20.76, 41.23, -62.38)

LCH

lch(20.76, 74.77, 303.46)

OKLCH

oklch(33.5%, 0.1806, 271.08)

HWB

hwb(240, 11.4%, 43.1%)

Harmony colors

Complementary

#91911d

Analogous

#1d5791

#1d1d91

#571d91

Triadic

#1d1d91

#911d1d

#1d911d

Split-complementary

#1d1d91

#91571d

#57911d

Tetradic

#1d1d91

#911d91

#91911d

#1d911d

Square

#1d1d91

#911d57

#91911d

#1d9157

Shades

Color #1d1d91 mixed toward black.

#181879

#131361

#0e0e48

#0a0a30

#050518

Tints

Color #1d1d91 mixed toward white.

#2626c0

#4444da

#7373e3

#a2a2ec

#d0d0f6

Tones

Color #1d1d91 mixed toward gray.

#272787

#30307e

#3a3a74

#44446a

#4d4d61

Accessibility

Aa White text on this color

12.83:1

Aa Black text on this color

1.64:1

White text reads better on this background (12.83:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d80 · ΔE 2.6

Deuteranopia

#1d1d7c · ΔE 3.2

Tritanopia

#1d716e · ΔE 37.7

Achromatopsia

#323232 · ΔE 27.9

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

Code

CSS

background-color: #1d1d91;

Tailwind (arbitrary value)

bg-[#1d1d91]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1d1d91 (#1d1d91) is rgb(29, 29, 145) in RGB.

No, #1d1d91 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 #1d1d91, or check how it holds up for accessibility.

Generate a palette → Check contrast