#1b3c69

Color #1b3c69

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 23.54 Nearest Tailwind class blue-900 #1c398e · ΔE 6.2

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Conversions

HEX

#1b3c69

RGB

rgb(27, 60, 105)

HSL

hsl(214.6, 59.1%, 25.9%)

HSV / HSB

hsv(214.6, 74.3%, 41.2%)

CMYK

cmyk(74.3%, 42.9%, 0%, 58.8%)

LAB

lab(25.21, 4.8, -29.85)

LCH

lch(25.21, 30.23, 279.14)

OKLCH

oklch(35.7%, 0.0875, 256.85)

HWB

hwb(214.6, 10.6%, 58.8%)

Harmony colors

Complementary

#69481b

Analogous

#1b6369

#1b3c69

#211b69

Triadic

#1b3c69

#691b3c

#3c691b

Split-complementary

#1b3c69

#69211b

#63691b

Tetradic

#1b3c69

#481b69

#69481b

#3c691b

Square

#1b3c69

#691b63

#69481b

#1b6921

Shades

Color #1b3c69 mixed toward black.

#173258

#122846

#0e1e35

#091423

#050a12

Tints

Color #1b3c69 mixed toward white.

#28599b

#3776cb

#6998d8

#9bbae5

#cdddf2

Tones

Color #1b3c69 mixed toward gray.

#223d63

#283e5c

#2f3f56

#35404f

#3c4149

Accessibility

Aa White text on this color

11.07:1

Aa Black text on this color

1.9:1

White text reads better on this background (11.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2d60 · ΔE 8.5

Deuteranopia

#2b285e · ΔE 9.7

Tritanopia

#1e5957 · ΔE 23.7

Achromatopsia

#3c3c3c · ΔE 18.1

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

Code

CSS

background-color: #1b3c69;

Tailwind (arbitrary value)

bg-[#1b3c69]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#1b3c69 (#1b3c69) is rgb(27, 60, 105) in RGB.

No, #1b3c69 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 #1b3c69, or check how it holds up for accessibility.

Generate a palette → Check contrast