#1d3a6f

Color #1d3a6f

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 19.79 Nearest Tailwind class blue-900 #1c398e · ΔE 5.1

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Conversions

HEX

#1d3a6f

RGB

rgb(29, 58, 111)

HSL

hsl(218.8, 58.6%, 27.5%)

HSV / HSB

hsv(218.8, 73.9%, 43.5%)

CMYK

cmyk(73.9%, 47.7%, 0%, 56.5%)

LAB

lab(25.06, 8.96, -33.94)

LCH

lch(25.06, 35.1, 284.79)

OKLCH

oklch(35.7%, 0.0983, 261.28)

HWB

hwb(218.8, 11.4%, 56.5%)

Harmony colors

Complementary

#6f521d

Analogous

#1d636f

#1d3a6f

#291d6f

Triadic

#1d3a6f

#6f1d3a

#3a6f1d

Split-complementary

#1d3a6f

#6f291d

#636f1d

Tetradic

#1d3a6f

#521d6f

#6f521d

#3a6f1d

Square

#1d3a6f

#6f1d63

#6f521d

#1d6f29

Shades

Color #1d3a6f mixed toward black.

#18305d

#13274a

#0f1d38

#0a1325

#050a13

Tints

Color #1d3a6f mixed toward white.

#2a54a0

#3c6fcc

#6c93d9

#9db7e5

#cedbf2

Tones

Color #1d3a6f mixed toward gray.

#243c68

#2b3e62

#32405b

#384254

#3f444d

Accessibility

Aa White text on this color

11.13:1

Aa Black text on this color

1.89:1

White text reads better on this background (11.13:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c65 · ΔE 7.1

Deuteranopia

#2a2863 · ΔE 8

Tritanopia

#1f5d5b · ΔE 25.9

Achromatopsia

#3b3b3b · ΔE 19.9

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

Code

CSS

background-color: #1d3a6f;

Tailwind (arbitrary value)

bg-[#1d3a6f]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1d3a6f (#1d3a6f) is rgb(29, 58, 111) in RGB.

No, #1d3a6f 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

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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 #1d3a6f, or check how it holds up for accessibility.

Generate a palette → Check contrast