#2a00a9

Color #2a00a9

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 13.02 Nearest Tailwind class violet-900 #4d179a · ΔE 5.2

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

Conversions

HEX

#2a00a9

RGB

rgb(42, 0, 169)

HSL

hsl(254.9, 100%, 33.1%)

HSV / HSB

hsv(254.9, 100%, 66.3%)

CMYK

cmyk(75.1%, 100%, 0%, 33.7%)

LAB

lab(21.42, 58.88, -75.99)

LCH

lch(21.42, 96.13, 307.77)

OKLCH

oklch(35%, 0.22, 275.03)

HWB

hwb(254.9, 0%, 33.7%)

Harmony colors

Complementary

#7fa900

Analogous

#002aa9

#2a00a9

#7e00a9

Triadic

#2a00a9

#a92a00

#00a92a

Split-complementary

#2a00a9

#a97e00

#2aa900

Tetradic

#2a00a9

#a9007f

#7fa900

#00a92a

Square

#2a00a9

#a9002a

#7fa900

#00a97e

Shades

Color #2a00a9 mixed toward black.

#23008d

#1c0071

#150054

#0e0038

#07001c

Tints

Color #2a00a9 mixed toward white.

#3800e2

#541cff

#7f54ff

#aa8dff

#d4c6ff

Tones

Color #2a00a9 mixed toward gray.

#310e9b

#381c8d

#3f2a7f

#463871

#4d4662

Accessibility

Aa White text on this color

12.56:1

Aa Black text on this color

1.67:1

White text reads better on this background (12.56:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1e1e95 · ΔE 4.8

Deuteranopia

#202290 · ΔE 6

Tritanopia

#29827e · ΔE 42.7

Achromatopsia

#333333 · ΔE 30.4

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

Code

CSS

background-color: #2a00a9;

Tailwind (arbitrary value)

bg-[#2a00a9]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#2a00a9 (#2a00a9) is rgb(42, 0, 169) in RGB.

No, #2a00a9 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.

Try it → Generators

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 #2a00a9, or check how it holds up for accessibility.

Generate a palette → Check contrast