#1b2746

Color #1b2746

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 20.06 Nearest Tailwind class slate-800 #1d293d · ΔE 4.8

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Conversions

HEX

#1b2746

RGB

rgb(27, 39, 70)

HSL

hsl(223.3, 44.3%, 19%)

HSV / HSB

hsv(223.3, 61.4%, 27.5%)

CMYK

cmyk(61.4%, 44.3%, 0%, 72.5%)

LAB

lab(16.14, 5.74, -21.05)

LCH

lch(16.14, 21.82, 285.25)

OKLCH

oklch(27.9%, 0.0598, 266.55)

HWB

hwb(223.3, 10.6%, 72.5%)

Harmony colors

Complementary

#463a1b

Analogous

#1b3c46

#1b2746

#251b46

Triadic

#1b2746

#461b27

#27461b

Split-complementary

#1b2746

#46251b

#3c461b

Tetradic

#1b2746

#3a1b46

#463a1b

#27461b

Square

#1b2746

#461b3c

#463a1b

#1b4625

Shades

Color #1b2746 mixed toward black.

#16203a

#121a2f

#0d1323

#090d17

#04060c

Tints

Color #1b2746 mixed toward white.

#2e4378

#415ea9

#6a83c5

#9cadd9

#cdd6ec

Tones

Color #1b2746 mixed toward gray.

#1f2942

#222a3f

#262c3b

#292d38

#2d2f34

Accessibility

Aa White text on this color

14.73:1

Aa Black text on this color

1.43:1

White text reads better on this background (14.73:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212140 · ΔE 4.4

Deuteranopia

#201f3f · ΔE 5

Tritanopia

#1c3b3a · ΔE 20.9

Achromatopsia

#282828 · ΔE 15

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

Code

CSS

background-color: #1b2746;

Tailwind (arbitrary value)

bg-[#1b2746]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1b2746 (#1b2746) is rgb(27, 39, 70) in RGB.

No, #1b2746 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #1b2746, or check how it holds up for accessibility.

Generate a palette → Check contrast