#1b407e

Color #1b407e

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.06 Nearest Tailwind class blue-900 #1c398e · ΔE 4.2

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Conversions

HEX

#1b407e

RGB

rgb(27, 64, 126)

HSL

hsl(217.6, 64.7%, 30%)

HSV / HSB

hsv(217.6, 78.6%, 49.4%)

CMYK

cmyk(78.6%, 49.2%, 0%, 50.6%)

LAB

lab(27.86, 10.58, -38.93)

LCH

lch(27.86, 40.34, 285.2)

OKLCH

oklch(38.2%, 0.1135, 260.11)

HWB

hwb(217.6, 10.6%, 50.6%)

Harmony colors

Complementary

#7e591b

Analogous

#1b717e

#1b407e

#281b7e

Triadic

#1b407e

#7e1b40

#407e1b

Split-complementary

#1b407e

#7e281b

#717e1b

Tetradic

#1b407e

#591b7e

#7e591b

#407e1b

Square

#1b407e

#7e1b71

#7e591b

#1b7e28

Shades

Color #1b407e mixed toward black.

#173569

#122b54

#0e203f

#09152a

#050b15

Tints

Color #1b407e mixed toward white.

#2659af

#3b74d5

#6c97df

#9dbaea

#cedcf4

Tones

Color #1b407e mixed toward gray.

#234276

#2c446d

#344665

#3c485d

#444a55

Accessibility

Aa White text on this color

10.09:1

Aa Black text on this color

2.08:1

White text reads better on this background (10.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2f73 · ΔE 8.1

Deuteranopia

#2d2a70 · ΔE 9.4

Tritanopia

#1e6966 · ΔE 28.1

Achromatopsia

#424242 · ΔE 21.4

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

Code

CSS

background-color: #1b407e;

Tailwind (arbitrary value)

bg-[#1b407e]

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

#1b407e (#1b407e) is rgb(27, 64, 126) in RGB.

No, #1b407e 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 #1b407e, or check how it holds up for accessibility.

Generate a palette → Check contrast