#2300a3

Color #2300a3

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 10.46 Nearest Tailwind class violet-900 #4d179a · ΔE 5.6

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

Conversions

HEX

#2300a3

RGB

rgb(35, 0, 163)

HSL

hsl(252.9, 100%, 32%)

HSV / HSB

hsv(252.9, 100%, 63.9%)

CMYK

cmyk(78.5%, 100%, 0%, 36.1%)

LAB

lab(20.05, 57.18, -74.64)

LCH

lch(20.05, 94.02, 307.45)

OKLCH

oklch(33.8%, 0.2157, 272.95)

HWB

hwb(252.9, 0%, 36.1%)

Harmony colors

Complementary

#80a300

Analogous

#002fa3

#2300a3

#7500a3

Triadic

#2300a3

#a32300

#00a323

Split-complementary

#2300a3

#a37500

#2fa300

Tetradic

#2300a3

#a30080

#80a300

#00a323

Square

#2300a3

#a3002f

#80a300

#00a375

Shades

Color #2300a3 mixed toward black.

#1d0088

#17006d

#120052

#0c0036

#06001b

Tints

Color #2300a3 mixed toward white.

#3000dd

#4a18ff

#7752ff

#a48bff

#d2c5ff

Tones

Color #2300a3 mixed toward gray.

#2b0e96

#331b88

#3a297a

#42366d

#4a445f

Accessibility

Aa White text on this color

13.12:1

Aa Black text on this color

1.6:1

White text reads better on this background (13.12:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#191890 · ΔE 4

Deuteranopia

#1a1c8b · ΔE 5.1

Tritanopia

#227e79 · ΔE 42.7

Achromatopsia

#303030 · ΔE 30.2

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

Code

CSS

background-color: #2300a3;

Tailwind (arbitrary value)

bg-[#2300a3]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#2300a3 (#2300a3) is rgb(35, 0, 163) in RGB.

No, #2300a3 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 #2300a3, or check how it holds up for accessibility.

Generate a palette → Check contrast