#021839

Color #021839

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 26.27 Nearest Tailwind class slate-900 #0f172b · ΔE 5.1

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

Conversions

HEX

#021839

RGB

rgb(2, 24, 57)

HSL

hsl(216, 93.2%, 11.6%)

HSV / HSB

hsv(216, 96.5%, 22.4%)

CMYK

cmyk(96.5%, 57.9%, 0%, 77.6%)

LAB

lab(8.67, 6.43, -23.95)

LCH

lch(8.67, 24.8, 285.03)

OKLCH

oklch(21.5%, 0.0707, 257.34)

HWB

hwb(216, 0.8%, 77.6%)

Harmony colors

Complementary

#392302

Analogous

#023439

#021839

#080239

Triadic

#021839

#390218

#183902

Split-complementary

#021839

#390802

#343902

Tetradic

#021839

#230239

#392302

#183902

Square

#021839

#390234

#392302

#023908

Shades

Color #021839 mixed toward black.

#021430

#011026

#010c1d

#010813

#00040a

Tints

Color #021839 mixed toward white.

#053782

#0755ca

#2579f7

#6ea6fa

#b6d2fc

Tones

Color #021839 mixed toward gray.

#071935

#0b1a30

#101b2b

#141c27

#191d22

Accessibility

Aa White text on this color

17.61:1

Aa Black text on this color

1.19:1

White text reads better on this background (17.61:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0e0e33 · ΔE 5.6

Deuteranopia

#0c0a32 · ΔE 5.9

Tritanopia

#032e2d · ΔE 22.4

Achromatopsia

#191919 · ΔE 16.3

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

Code

CSS

background-color: #021839;

Tailwind (arbitrary value)

bg-[#021839]

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

#021839 (#021839) is rgb(2, 24, 57) in RGB.

No, #021839 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 #021839, or check how it holds up for accessibility.

Generate a palette → Check contrast