#180b39

Color #180b39

A moderately saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 26.78 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.9

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Conversions

HEX

#180b39

RGB

rgb(24, 11, 57)

HSL

hsl(257, 67.6%, 13.3%)

HSV / HSB

hsv(257, 80.7%, 22.4%)

CMYK

cmyk(57.9%, 80.7%, 0%, 77.6%)

LAB

lab(6.58, 20.19, -27.25)

LCH

lch(6.58, 33.91, 306.54)

OKLCH

oklch(20.3%, 0.0835, 289.8)

HWB

hwb(257, 4.3%, 77.6%)

Harmony colors

Complementary

#2c390b

Analogous

#0b1539

#180b39

#2f0b39

Triadic

#180b39

#39180b

#0b3918

Split-complementary

#180b39

#392f0b

#15390b

Tetradic

#180b39

#390b2c

#2c390b

#0b3918

Square

#180b39

#390b15

#2c390b

#0b392f

Shades

Color #180b39 mixed toward black.

#14092f

#100726

#0c051c

#080413

#040209

Tints

Color #180b39 mixed toward white.

#321777

#4c23b4

#7046db

#a083e7

#cfc1f3

Tones

Color #180b39 mixed toward gray.

#1a0f35

#1b1331

#1d162d

#1f1a2a

#201e26

Accessibility

Aa White text on this color

18.33:1

Aa Black text on this color

1.15:1

White text reads better on this background (18.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#131332 · ΔE 5.4

Deuteranopia

#141530 · ΔE 6.9

Tritanopia

#172b2a · ΔE 24.4

Achromatopsia

#151515 · ΔE 20.7

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

Code

CSS

background-color: #180b39;

Tailwind (arbitrary value)

bg-[#180b39]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#180b39 (#180b39) is rgb(24, 11, 57) in RGB.

No, #180b39 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.

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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 #180b39, or check how it holds up for accessibility.

Generate a palette → Check contrast