#1c3458

Color #1c3458

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 19.19 Nearest Tailwind class sky-950 #052f4a · ΔE 5.7

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Conversions

HEX

#1c3458

RGB

rgb(28, 52, 88)

HSL

hsl(216, 51.7%, 22.7%)

HSV / HSB

hsv(216, 68.2%, 34.5%)

CMYK

cmyk(68.2%, 40.9%, 0%, 65.5%)

LAB

lab(21.61, 3.74, -24.5)

LCH

lch(21.61, 24.78, 278.68)

OKLCH

oklch(32.5%, 0.0711, 258.31)

HWB

hwb(216, 11%, 65.5%)

Harmony colors

Complementary

#58401c

Analogous

#1c5258

#1c3458

#221c58

Triadic

#1c3458

#581c34

#34581c

Split-complementary

#1c3458

#58221c

#52581c

Tetradic

#1c3458

#401c58

#58401c

#34581c

Square

#1c3458

#581c52

#58401c

#1c5822

Shades

Color #1c3458 mixed toward black.

#172b49

#13233b

#0e1a2c

#09111d

#05090f

Tints

Color #1c3458 mixed toward white.

#2c518a

#3c6fbb

#6992cf

#9bb7df

#cddbef

Tones

Color #1c3458 mixed toward gray.

#213553

#26364e

#2b3749

#303844

#35393f

Accessibility

Aa White text on this color

12.49:1

Aa Black text on this color

1.68:1

White text reads better on this background (12.49:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#282851 · ΔE 7.5

Deuteranopia

#27254f · ΔE 8.4

Tritanopia

#1e4b49 · ΔE 21.7

Achromatopsia

#343434 · ΔE 16

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

Code

CSS

background-color: #1c3458;

Tailwind (arbitrary value)

bg-[#1c3458]

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

#1c3458 (#1c3458) is rgb(28, 52, 88) in RGB.

No, #1c3458 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #1c3458, or check how it holds up for accessibility.

Generate a palette → Check contrast