#180b47

Color #180b47

A vivid, highly saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 17.78 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.4

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

Conversions

HEX

#180b47

RGB

rgb(24, 11, 71)

HSL

hsl(253, 73.2%, 16.1%)

HSV / HSB

hsv(253, 84.5%, 27.8%)

CMYK

cmyk(66.2%, 84.5%, 0%, 72.2%)

LAB

lab(8.02, 25.47, -34.88)

LCH

lch(8.02, 43.19, 306.14)

OKLCH

oklch(21.8%, 0.1034, 283.7)

HWB

hwb(253, 4.3%, 72.2%)

Harmony colors

Complementary

#3a470b

Analogous

#0b1c47

#180b47

#360b47

Triadic

#180b47

#47180b

#0b4718

Split-complementary

#180b47

#47360b

#1c470b

Tetradic

#180b47

#470b3a

#3a470b

#0b4718

Square

#180b47

#470b1c

#3a470b

#0b4736

Shades

Color #180b47 mixed toward black.

#14093b

#10072f

#0c0624

#080418

#04020c

Tints

Color #180b47 mixed toward white.

#2d1585

#421ec3

#6846e2

#9a83ec

#cdc1f5

Tones

Color #180b47 mixed toward gray.

#1b1042

#1e153d

#211a38

#231f33

#26242e

Accessibility

Aa White text on this color

17.83:1

Aa Black text on this color

1.18:1

White text reads better on this background (17.83:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#13133e · ΔE 4.6

Deuteranopia

#14153c · ΔE 5.8

Tritanopia

#173634 · ΔE 26.8

Achromatopsia

#181818 · ΔE 22.9

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

Code

CSS

background-color: #180b47;

Tailwind (arbitrary value)

bg-[#180b47]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#180b47 (#180b47) is rgb(24, 11, 71) in RGB.

No, #180b47 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #180b47, or check how it holds up for accessibility.

Generate a palette → Check contrast