#18488c

Color #18488c

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.6 Nearest Tailwind class blue-900 #1c398e · ΔE 5.8

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

Conversions

HEX

#18488c

RGB

rgb(24, 72, 140)

HSL

hsl(215.2, 70.7%, 32.2%)

HSV / HSB

hsv(215.2, 82.9%, 54.9%)

CMYK

cmyk(82.9%, 48.6%, 0%, 45.1%)

LAB

lab(31.16, 10.46, -42.3)

LCH

lch(31.16, 43.57, 283.89)

OKLCH

oklch(41%, 0.1243, 258.02)

HWB

hwb(215.2, 9.4%, 45.1%)

Harmony colors

Complementary

#8c5c18

Analogous

#18828c

#18488c

#22188c

Triadic

#18488c

#8c1848

#488c18

Split-complementary

#18488c

#8c2218

#828c18

Tetradic

#18488c

#5c188c

#8c5c18

#488c18

Square

#18488c

#8c1882

#8c5c18

#188c22

Shades

Color #18488c mixed toward black.

#143c75

#10305d

#0c2446

#08182f

#040c17

Tints

Color #18488c mixed toward white.

#2161bd

#3a7edd

#6b9ee6

#9dbeee

#cedff7

Tones

Color #18488c mixed toward gray.

#224a82

#2b4b79

#354d6f

#3f4f65

#48505c

Accessibility

Aa White text on this color

8.96:1

Aa Black text on this color

2.34:1

White text reads better on this background (8.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#333480 · ΔE 9.4

Deuteranopia

#302d7c · ΔE 11.2

Tritanopia

#1c7572 · ΔE 29.3

Achromatopsia

#494949 · ΔE 22.2

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

Code

CSS

background-color: #18488c;

Tailwind (arbitrary value)

bg-[#18488c]

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

#18488c (#18488c) is rgb(24, 72, 140) in RGB.

No, #18488c 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 #18488c, or check how it holds up for accessibility.

Generate a palette → Check contrast