#0021a0

Color #0021a0

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 10.67 Nearest Tailwind class indigo-800 #372aac · ΔE 4.5

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

Conversions

HEX

#0021a0

RGB

rgb(0, 33, 160)

HSL

hsl(227.6, 100%, 31.4%)

HSV / HSB

hsv(227.6, 100%, 62.7%)

CMYK

cmyk(100%, 79.4%, 0%, 37.3%)

LAB

lab(22.39, 42.97, -68.95)

LCH

lch(22.39, 81.24, 301.93)

OKLCH

oklch(34.9%, 0.2011, 263.98)

HWB

hwb(227.6, 0%, 37.3%)

Harmony colors

Complementary

#a07f00

Analogous

#0071a0

#0021a0

#2f00a0

Triadic

#0021a0

#a00021

#21a000

Split-complementary

#0021a0

#a02f00

#71a000

Tetradic

#0021a0

#7f00a0

#a07f00

#21a000

Square

#0021a0

#a00071

#a07f00

#00a02f

Shades

Color #0021a0 mixed toward black.

#001c85

#00166b

#001150

#000b35

#00061b

Tints

Color #0021a0 mixed toward white.

#002dda

#1646ff

#5074ff

#8aa2ff

#c5d1ff

Tones

Color #0021a0 mixed toward gray.

#0d2993

#1b3185

#283978

#35406b

#43485d

Accessibility

Aa White text on this color

12.17:1

Aa Black text on this color

1.73:1

White text reads better on this background (12.17:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#13138e · ΔE 3.8

Deuteranopia

#110e89 · ΔE 4.9

Tritanopia

#037d79 · ΔE 40.9

Achromatopsia

#363636 · ΔE 28.8

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

Code

CSS

background-color: #0021a0;

Tailwind (arbitrary value)

bg-[#0021a0]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#0021a0 (#0021a0) is rgb(0, 33, 160) in RGB.

No, #0021a0 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.

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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 #0021a0, or check how it holds up for accessibility.

Generate a palette → Check contrast