#180d42

Color #180d42

A moderately saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 21.76 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 3.8

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Conversions

HEX

#180d42

RGB

rgb(24, 13, 66)

HSL

hsl(252.5, 67.1%, 15.5%)

HSV / HSB

hsv(252.5, 80.3%, 25.9%)

CMYK

cmyk(63.6%, 80.3%, 0%, 74.1%)

LAB

lab(7.91, 22.47, -31.54)

LCH

lch(7.91, 38.73, 305.47)

OKLCH

oklch(21.6%, 0.0939, 284.86)

HWB

hwb(252.5, 5.1%, 74.1%)

Harmony colors

Complementary

#37420d

Analogous

#0d1c42

#180d42

#330d42

Triadic

#180d42

#42180d

#0d4218

Split-complementary

#180d42

#42330d

#1c420d

Tetradic

#180d42

#420d37

#37420d

#0d4218

Square

#180d42

#420d1c

#37420d

#0d4233

Shades

Color #180d42 mixed toward black.

#140b37

#10092c

#0c0721

#080416

#04020b

Tints

Color #180d42 mixed toward white.

#2e197e

#4425ba

#694bdc

#9b87e7

#cdc3f3

Tones

Color #180d42 mixed toward gray.

#1b113e

#1d1639

#201a35

#221f30

#25232c

Accessibility

Aa White text on this color

17.87:1

Aa Black text on this color

1.18:1

White text reads better on this background (17.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#14143a · ΔE 4.5

Deuteranopia

#141538 · ΔE 5.5

Tritanopia

#183331 · ΔE 26.1

Achromatopsia

#171717 · ΔE 21.9

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

Code

CSS

background-color: #180d42;

Tailwind (arbitrary value)

bg-[#180d42]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#180d42 (#180d42) is rgb(24, 13, 66) in RGB.

No, #180d42 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 #180d42, or check how it holds up for accessibility.

Generate a palette → Check contrast