#021b39

Color #021b39

A vivid, highly saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 24.58 Nearest Tailwind class slate-900 #0f172b · ΔE 4.7

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

Conversions

HEX

#021b39

RGB

rgb(2, 27, 57)

HSL

hsl(212.7, 93.2%, 11.6%)

HSV / HSB

hsv(212.7, 96.5%, 22.4%)

CMYK

cmyk(96.5%, 52.6%, 0%, 77.6%)

LAB

lab(9.74, 4.03, -22.22)

LCH

lch(9.74, 22.58, 280.28)

OKLCH

oklch(22.3%, 0.0664, 254.27)

HWB

hwb(212.7, 0.8%, 77.6%)

Harmony colors

Complementary

#392002

Analogous

#023739

#021b39

#040239

Triadic

#021b39

#39021b

#1b3902

Split-complementary

#021b39

#390402

#373902

Tetradic

#021b39

#200239

#392002

#1b3902

Square

#021b39

#390237

#392002

#023904

Shades

Color #021b39 mixed toward black.

#021730

#011226

#010e1d

#010913

#00050a

Tints

Color #021b39 mixed toward white.

#053e82

#0760ca

#2585f7

#6eaefa

#b6d6fc

Tones

Color #021b39 mixed toward gray.

#071c35

#0b1c30

#101c2b

#141d27

#191d22

Accessibility

Aa White text on this color

17.24:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.24:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#101033 · ΔE 7.3

Deuteranopia

#0e0c32 · ΔE 7.7

Tritanopia

#042f2d · ΔE 21.3

Achromatopsia

#1b1b1b · ΔE 15.2

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

Code

CSS

background-color: #021b39;

Tailwind (arbitrary value)

bg-[#021b39]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#021b39 (#021b39) is rgb(2, 27, 57) in RGB.

No, #021b39 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 #021b39, or check how it holds up for accessibility.

Generate a palette → Check contrast