#1b445a

Color #1b445a

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 9.97 Nearest Tailwind class cyan-900 #104e64 · ΔE 4.3

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Conversions

HEX

#1b445a

RGB

rgb(27, 68, 90)

HSL

hsl(201, 53.8%, 22.9%)

HSV / HSB

hsv(201, 70%, 35.3%)

CMYK

cmyk(70%, 24.4%, 0%, 64.7%)

LAB

lab(27.03, -6.44, -17.31)

LCH

lch(27.03, 18.47, 249.59)

OKLCH

oklch(36.8%, 0.0592, 235.05)

HWB

hwb(201, 10.6%, 64.7%)

Harmony colors

Complementary

#5a311b

Analogous

#1b5a50

#1b445a

#1b245a

Triadic

#1b445a

#5a1b44

#445a1b

Split-complementary

#1b445a

#5a1b24

#5a501b

Tetradic

#1b445a

#311b5a

#5a311b

#445a1b

Square

#1b445a

#501b5a

#5a311b

#245a1b

Shades

Color #1b445a mixed toward black.

#16394b

#122d3c

#0d222d

#09171e

#040b0f

Tints

Color #1b445a mixed toward white.

#2a6a8c

#3990bf

#68add2

#9ac8e1

#cde4f0

Tones

Color #1b445a mixed toward gray.

#204255

#25414f

#2b3f4a

#303e45

#353c40

Accessibility

Aa White text on this color

10.39:1

Aa Black text on this color

2.02:1

White text reads better on this background (10.39:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#313255 · ΔE 15.8

Deuteranopia

#2f2c54 · ΔE 17

Tritanopia

#1e5150 · ΔE 13.6

Achromatopsia

#404040 · ΔE 13.7

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

Code

CSS

background-color: #1b445a;

Tailwind (arbitrary value)

bg-[#1b445a]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#1b445a (#1b445a) is rgb(27, 68, 90) in RGB.

No, #1b445a is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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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 #1b445a, or check how it holds up for accessibility.

Generate a palette → Check contrast