#0900a1

Color #0900a1

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 10.09 Nearest Tailwind class violet-900 #4d179a · ΔE 6.9

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

Conversions

HEX

#0900a1

RGB

rgb(9, 0, 161)

HSL

hsl(243.4, 100%, 31.6%)

HSV / HSB

hsv(243.4, 100%, 63.1%)

CMYK

cmyk(94.4%, 100%, 0%, 36.9%)

LAB

lab(18.5, 56.22, -76.04)

LCH

lch(18.5, 94.57, 306.48)

OKLCH

oklch(32.3%, 0.2202, 265.68)

HWB

hwb(243.4, 0%, 36.9%)

Harmony colors

Complementary

#98a100

Analogous

#0047a1

#0900a1

#5a00a1

Triadic

#0900a1

#a10900

#00a109

Split-complementary

#0900a1

#a15a00

#47a100

Tetradic

#0900a1

#a10098

#98a100

#00a109

Square

#0900a1

#a10047

#98a100

#00a15a

Shades

Color #0900a1 mixed toward black.

#080086

#06006b

#050051

#030036

#02001b

Tints

Color #0900a1 mixed toward white.

#0c00db

#2416ff

#5a51ff

#918bff

#c8c5ff

Tones

Color #0900a1 mixed toward gray.

#150d94

#211b86

#2d2879

#39366b

#45435e

Accessibility

Aa White text on this color

13.76:1

Aa Black text on this color

1.53:1

White text reads better on this background (13.76:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#05058e · ΔE 2.6

Deuteranopia

#060689 · ΔE 3.3

Tritanopia

#097c78 · ΔE 43

Achromatopsia

#2d2d2d · ΔE 30.2

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

Code

CSS

background-color: #0900a1;

Tailwind (arbitrary value)

bg-[#0900a1]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#0900a1 (#0900a1) is rgb(9, 0, 161) in RGB.

No, #0900a1 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 #0900a1, or check how it holds up for accessibility.

Generate a palette → Check contrast