#1d1d81

Color #1d1d81

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 7.73 Nearest Tailwind class indigo-900 #312c85 · ΔE 4.2

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Conversions

HEX

#1d1d81

RGB

rgb(29, 29, 129)

HSL

hsl(240, 63.3%, 31%)

HSV / HSB

hsv(240, 77.5%, 50.6%)

CMYK

cmyk(77.5%, 77.5%, 0%, 49.4%)

LAB

lab(18.9, 35.73, -55.43)

LCH

lch(18.9, 65.95, 302.81)

OKLCH

oklch(31.6%, 0.1605, 272.39)

HWB

hwb(240, 11.4%, 49.4%)

Harmony colors

Complementary

#81811d

Analogous

#1d4f81

#1d1d81

#4f1d81

Triadic

#1d1d81

#811d1d

#1d811d

Split-complementary

#1d1d81

#814f1d

#4f811d

Tetradic

#1d1d81

#811d81

#81811d

#1d811d

Square

#1d1d81

#811d4f

#81811d

#1d814f

Shades

Color #1d1d81 mixed toward black.

#18186c

#131356

#0f0f41

#0a0a2b

#050516

Tints

Color #1d1d81 mixed toward white.

#2828b1

#3f3fd4

#6f6fdf

#9f9fe9

#cfcff4

Tones

Color #1d1d81 mixed toward gray.

#252579

#2e2e70

#363668

#3e3e60

#474757

Accessibility

Aa White text on this color

13.59:1

Aa Black text on this color

1.54:1

White text reads better on this background (13.59:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d72 · ΔE 2.5

Deuteranopia

#1d1d6e · ΔE 3.2

Tritanopia

#1d6562 · ΔE 35

Achromatopsia

#2e2e2e · ΔE 26.7

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

Code

CSS

background-color: #1d1d81;

Tailwind (arbitrary value)

bg-[#1d1d81]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1d1d81 (#1d1d81) is rgb(29, 29, 129) in RGB.

No, #1d1d81 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 #1d1d81, or check how it holds up for accessibility.

Generate a palette → Check contrast