#1b3458

Color #1b3458

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 19.22 Nearest Tailwind class sky-950 #052f4a · ΔE 5.5

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Conversions

HEX

#1b3458

RGB

rgb(27, 52, 88)

HSL

hsl(215.4, 53%, 22.5%)

HSV / HSB

hsv(215.4, 69.3%, 34.5%)

CMYK

cmyk(69.3%, 40.9%, 0%, 65.5%)

LAB

lab(21.55, 3.53, -24.59)

LCH

lch(21.55, 24.84, 278.17)

OKLCH

oklch(32.5%, 0.0716, 257.65)

HWB

hwb(215.4, 10.6%, 65.5%)

Harmony colors

Complementary

#583f1b

Analogous

#1b5258

#1b3458

#201b58

Triadic

#1b3458

#581b34

#34581b

Split-complementary

#1b3458

#58201b

#52581b

Tetradic

#1b3458

#3f1b58

#583f1b

#34581b

Square

#1b3458

#581b52

#583f1b

#1b5820

Shades

Color #1b3458 mixed toward black.

#162b49

#12233b

#0d1a2c

#09111d

#04090f

Tints

Color #1b3458 mixed toward white.

#2a528a

#3a6fbd

#6893d1

#9ab7e0

#cddbf0

Tones

Color #1b3458 mixed toward gray.

#203553

#25364e

#2a3749

#2f3844

#34383e

Accessibility

Aa White text on this color

12.51:1

Aa Black text on this color

1.68:1

White text reads better on this background (12.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#282851 · ΔE 7.7

Deuteranopia

#26244f · ΔE 8.6

Tritanopia

#1d4b49 · ΔE 21.7

Achromatopsia

#343434 · ΔE 16.1

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

Code

CSS

background-color: #1b3458;

Tailwind (arbitrary value)

bg-[#1b3458]

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

#1b3458 (#1b3458) is rgb(27, 52, 88) in RGB.

No, #1b3458 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 #1b3458, or check how it holds up for accessibility.

Generate a palette → Check contrast