#1b417f

Color #1b417f

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.27 Nearest Tailwind class blue-900 #1c398e · ΔE 4.4

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Conversions

HEX

#1b417f

RGB

rgb(27, 65, 127)

HSL

hsl(217.2, 64.9%, 30.2%)

HSV / HSB

hsv(217.2, 78.7%, 49.8%)

CMYK

cmyk(78.7%, 48.8%, 0%, 50.2%)

LAB

lab(28.23, 10.3, -38.95)

LCH

lch(28.23, 40.29, 284.81)

OKLCH

oklch(38.5%, 0.1136, 259.76)

HWB

hwb(217.2, 10.6%, 50.2%)

Harmony colors

Complementary

#7f591b

Analogous

#1b737f

#1b417f

#271b7f

Triadic

#1b417f

#7f1b41

#417f1b

Split-complementary

#1b417f

#7f271b

#737f1b

Tetradic

#1b417f

#591b7f

#7f591b

#417f1b

Square

#1b417f

#7f1b73

#7f591b

#1b7f27

Shades

Color #1b417f mixed toward black.

#17366a

#122b55

#0e213f

#09162a

#050b15

Tints

Color #1b417f mixed toward white.

#255ab0

#3b76d5

#6c98e0

#9dbaea

#ceddf5

Tones

Color #1b417f mixed toward gray.

#234377

#2c456e

#344766

#3c495e

#454b55

Accessibility

Aa White text on this color

9.96:1

Aa Black text on this color

2.11:1

White text reads better on this background (9.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#303074 · ΔE 8.2

Deuteranopia

#2d2a71 · ΔE 9.7

Tritanopia

#1e6a67 · ΔE 28

Achromatopsia

#434343 · ΔE 21.4

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

Code

CSS

background-color: #1b417f;

Tailwind (arbitrary value)

bg-[#1b417f]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#1b417f (#1b417f) is rgb(27, 65, 127) in RGB.

No, #1b417f 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 #1b417f, or check how it holds up for accessibility.

Generate a palette → Check contrast