#1b396d

Color #1b396d

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 20.5 Nearest Tailwind class blue-900 #1c398e · ΔE 5.4

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Conversions

HEX

#1b396d

RGB

rgb(27, 57, 109)

HSL

hsl(218, 60.3%, 26.7%)

HSV / HSB

hsv(218, 75.2%, 42.7%)

CMYK

cmyk(75.2%, 47.7%, 0%, 57.3%)

LAB

lab(24.52, 8.52, -33.52)

LCH

lch(24.52, 34.59, 284.26)

OKLCH

oklch(35.2%, 0.0973, 260.6)

HWB

hwb(218, 10.6%, 57.3%)

Harmony colors

Complementary

#6d4f1b

Analogous

#1b626d

#1b396d

#261b6d

Triadic

#1b396d

#6d1b39

#396d1b

Split-complementary

#1b396d

#6d261b

#626d1b

Tetradic

#1b396d

#4f1b6d

#6d4f1b

#396d1b

Square

#1b396d

#6d1b62

#6d4f1b

#1b6d26

Shades

Color #1b396d mixed toward black.

#17305b

#122649

#0e1d37

#091324

#050a12

Tints

Color #1b396d mixed toward white.

#27539f

#376ece

#6993da

#9bb7e6

#cddbf3

Tones

Color #1b396d mixed toward gray.

#223b66

#293d5f

#303f59

#364052

#3d424b

Accessibility

Aa White text on this color

11.33:1

Aa Black text on this color

1.85:1

White text reads better on this background (11.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2b63 · ΔE 7.2

Deuteranopia

#292761 · ΔE 8.2

Tritanopia

#1d5b59 · ΔE 25.6

Achromatopsia

#3a3a3a · ΔE 19.7

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

Code

CSS

background-color: #1b396d;

Tailwind (arbitrary value)

bg-[#1b396d]

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

#1b396d (#1b396d) is rgb(27, 57, 109) in RGB.

No, #1b396d 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 #1b396d, or check how it holds up for accessibility.

Generate a palette → Check contrast