#1b3c5a

Color #1b3c5a

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 14.3 Nearest Tailwind class sky-950 #052f4a · ΔE 4.5

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Conversions

HEX

#1b3c5a

RGB

rgb(27, 60, 90)

HSL

hsl(208.6, 53.8%, 22.9%)

HSV / HSB

hsv(208.6, 70%, 35.3%)

CMYK

cmyk(70%, 33.3%, 0%, 64.7%)

LAB

lab(24.33, -1.19, -21.52)

LCH

lch(24.33, 21.55, 266.83)

OKLCH

oklch(34.7%, 0.0655, 248.21)

HWB

hwb(208.6, 10.6%, 64.7%)

Harmony colors

Complementary

#5a391b

Analogous

#1b5a58

#1b3c5a

#1b1c5a

Triadic

#1b3c5a

#5a1b3c

#3c5a1b

Split-complementary

#1b3c5a

#5a1b1c

#5a581b

Tetradic

#1b3c5a

#391b5a

#5a391b

#3c5a1b

Square

#1b3c5a

#581b5a

#5a391b

#1c5a1b

Shades

Color #1b3c5a mixed toward black.

#16324b

#12283c

#0d1e2d

#09141e

#040a0f

Tints

Color #1b3c5a mixed toward white.

#2a5d8c

#397fbf

#689fd2

#9abfe1

#cddff0

Tones

Color #1b3c5a mixed toward gray.

#203c55

#253b4f

#2b3b4a

#303b45

#353b40

Accessibility

Aa White text on this color

11.41:1

Aa Black text on this color

1.84:1

White text reads better on this background (11.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2d54 · ΔE 11.2

Deuteranopia

#2b2852 · ΔE 12.3

Tritanopia

#1e4f4d · ΔE 18.6

Achromatopsia

#3a3a3a · ΔE 14.5

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

Code

CSS

background-color: #1b3c5a;

Tailwind (arbitrary value)

bg-[#1b3c5a]

Related colors

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Steel Blue #4682b4

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#1b3c5a (#1b3c5a) is rgb(27, 60, 90) in RGB.

No, #1b3c5a 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 #1b3c5a, or check how it holds up for accessibility.

Generate a palette → Check contrast