#12409a

Color #12409a

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 12.17 Nearest Tailwind class blue-900 #1c398e · ΔE 2.8

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

Conversions

HEX

#12409a

RGB

rgb(18, 64, 154)

HSL

hsl(219.7, 79.1%, 33.7%)

HSV / HSB

hsv(219.7, 88.3%, 60.4%)

CMYK

cmyk(88.3%, 58.4%, 0%, 39.6%)

LAB

lab(29.73, 21.21, -53.19)

LCH

lch(29.73, 57.26, 291.74)

OKLCH

oklch(40.2%, 0.1553, 261.93)

HWB

hwb(219.7, 7.1%, 39.6%)

Harmony colors

Complementary

#9a6c12

Analogous

#12849a

#12409a

#28129a

Triadic

#12409a

#9a1240

#409a12

Split-complementary

#12409a

#9a2812

#849a12

Tetradic

#12409a

#6c129a

#9a6c12

#409a12

Square

#12409a

#9a1284

#9a6c12

#129a28

Shades

Color #12409a mixed toward black.

#0f3580

#0c2b67

#09204d

#061533

#030b1a

Tints

Color #12409a mixed toward white.

#1855cc

#3571e7

#6895ed

#9ab8f3

#cddcf9

Tones

Color #12409a mixed toward gray.

#1d448f

#294783

#344b78

#3f4f6d

#4b5261

Accessibility

Aa White text on this color

9.44:1

Aa Black text on this color

2.23:1

White text reads better on this background (9.44:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2d8b · ΔE 7.5

Deuteranopia

#2a2687 · ΔE 9.3

Tritanopia

#177d7a · ΔE 34.4

Achromatopsia

#464646 · ΔE 25.1

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

Code

CSS

background-color: #12409a;

Tailwind (arbitrary value)

bg-[#12409a]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#12409a (#12409a) is rgb(18, 64, 154) in RGB.

No, #12409a 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 #12409a, or check how it holds up for accessibility.

Generate a palette → Check contrast