#1b3756

Color #1b3756

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 15.63 Nearest Tailwind class sky-950 #052f4a · ΔE 4.1

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Conversions

HEX

#1b3756

RGB

rgb(27, 55, 86)

HSL

hsl(211.5, 52.2%, 22.2%)

HSV / HSB

hsv(211.5, 68.6%, 33.7%)

CMYK

cmyk(68.6%, 36%, 0%, 66.3%)

LAB

lab(22.43, 0.64, -21.88)

LCH

lch(22.43, 21.89, 271.68)

OKLCH

oklch(33.1%, 0.0649, 252.43)

HWB

hwb(211.5, 10.6%, 66.3%)

Harmony colors

Complementary

#563a1b

Analogous

#1b5556

#1b3756

#1d1b56

Triadic

#1b3756

#561b37

#37561b

Split-complementary

#1b3756

#561d1b

#55561b

Tetradic

#1b3756

#3a1b56

#563a1b

#37561b

Square

#1b3756

#561b55

#563a1b

#1b561d

Shades

Color #1b3756 mixed toward black.

#172e48

#122539

#0e1c2b

#09121d

#05090e

Tints

Color #1b3756 mixed toward white.

#2b5788

#3b78bb

#6899d0

#9abbdf

#cdddef

Tones

Color #1b3756 mixed toward gray.

#203751

#25384c

#2a3847

#2f3842

#34383e

Accessibility

Aa White text on this color

12.16:1

Aa Black text on this color

1.73:1

White text reads better on this background (12.16:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2a2a50 · ΔE 9.6

Deuteranopia

#28264e · ΔE 10.5

Tritanopia

#1d4a49 · ΔE 19

Achromatopsia

#363636 · ΔE 14.7

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

Code

CSS

background-color: #1b3756;

Tailwind (arbitrary value)

bg-[#1b3756]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Light Steel Blue #b0c4de

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#1b3756 (#1b3756) is rgb(27, 55, 86) in RGB.

No, #1b3756 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 #1b3756, or check how it holds up for accessibility.

Generate a palette → Check contrast