#2400a5

Color #2400a5

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 11.32 Nearest Tailwind class violet-900 #4d179a · ΔE 5.6

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

Conversions

HEX

#2400a5

RGB

rgb(36, 0, 165)

HSL

hsl(253.1, 100%, 32.4%)

HSV / HSB

hsv(253.1, 100%, 64.7%)

CMYK

cmyk(78.2%, 100%, 0%, 35.3%)

LAB

lab(20.4, 57.7, -75.26)

LCH

lch(20.4, 94.83, 307.48)

OKLCH

oklch(34.1%, 0.2175, 273.11)

HWB

hwb(253.1, 0%, 35.3%)

Harmony colors

Complementary

#81a500

Analogous

#002fa5

#2400a5

#7700a5

Triadic

#2400a5

#a52400

#00a524

Split-complementary

#2400a5

#a57700

#2fa500

Tetradic

#2400a5

#a50081

#81a500

#00a524

Square

#2400a5

#a5002f

#81a500

#00a577

Shades

Color #2400a5 mixed toward black.

#1e008a

#18006e

#120053

#0c0037

#06001c

Tints

Color #2400a5 mixed toward white.

#3100df

#4b19ff

#7853ff

#a58cff

#d2c6ff

Tones

Color #2400a5 mixed toward gray.

#2c0e97

#341c8a

#3b297c

#43376e

#4b4560

Accessibility

Aa White text on this color

12.98:1

Aa Black text on this color

1.62:1

White text reads better on this background (12.98:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#191991 · ΔE 4.2

Deuteranopia

#1b1d8c · ΔE 5.3

Tritanopia

#237f7b · ΔE 42.5

Achromatopsia

#313131 · ΔE 30.3

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

Code

CSS

background-color: #2400a5;

Tailwind (arbitrary value)

bg-[#2400a5]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#2400a5 (#2400a5) is rgb(36, 0, 165) in RGB.

No, #2400a5 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 #2400a5, or check how it holds up for accessibility.

Generate a palette → Check contrast