#183078

Color #183078

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 11 Nearest Tailwind class blue-900 #1c398e · ΔE 3.9

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#183078

RGB

rgb(24, 48, 120)

HSL

hsl(225, 66.7%, 28.2%)

HSV / HSB

hsv(225, 80%, 47.1%)

CMYK

cmyk(80%, 60%, 0%, 52.9%)

LAB

lab(22.53, 19.04, -43.78)

LCH

lch(22.53, 47.74, 293.5)

OKLCH

oklch(33.9%, 0.1267, 265.79)

HWB

hwb(225, 9.4%, 52.9%)

Harmony colors

Complementary

#786018

Analogous

#186078

#183078

#301878

Triadic

#183078

#781830

#307818

Split-complementary

#183078

#783018

#607818

Tetradic

#183078

#601878

#786018

#307818

Square

#183078

#781860

#786018

#187830

Shades

Color #183078 mixed toward black.

#142864

#102050

#0c183c

#081028

#040814

Tints

Color #183078 mixed toward white.

#2244ab

#345cd6

#6685e1

#99aeeb

#ccd6f5

Tones

Color #183078 mixed toward gray.

#203470

#283868

#303c60

#384058

#404450

Accessibility

Aa White text on this color

12.12:1

Aa Black text on this color

1.73:1

White text reads better on this background (12.12:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#24256c · ΔE 4.7

Deuteranopia

#232169 · ΔE 5.8

Tritanopia

#1a615e · ΔE 30.6

Achromatopsia

#363636 · ΔE 23.3

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

Code

CSS

background-color: #183078;

Tailwind (arbitrary value)

bg-[#183078]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#183078 (#183078) is rgb(24, 48, 120) in RGB.

No, #183078 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 #183078, or check how it holds up for accessibility.

Generate a palette → Check contrast