#12408a

Color #12408a

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 12.18 Nearest Tailwind class blue-900 #1c398e · ΔE 3.4

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

Conversions

HEX

#12408a

RGB

rgb(18, 64, 138)

HSL

hsl(217, 76.9%, 30.6%)

HSV / HSB

hsv(217, 87%, 54.1%)

CMYK

cmyk(87%, 53.6%, 0%, 45.9%)

LAB

lab(28.46, 14.59, -45.45)

LCH

lch(28.46, 47.73, 287.8)

OKLCH

oklch(38.8%, 0.1332, 259.88)

HWB

hwb(217, 7.1%, 45.9%)

Harmony colors

Complementary

#8a5c12

Analogous

#127c8a

#12408a

#20128a

Triadic

#12408a

#8a1240

#408a12

Split-complementary

#12408a

#8a2012

#7c8a12

Tetradic

#12408a

#5c128a

#8a5c12

#408a12

Square

#12408a

#8a127c

#8a5c12

#128a20

Shades

Color #12408a mixed toward black.

#0f3573

#0c2b5c

#092045

#06152e

#030b17

Tints

Color #12408a mixed toward white.

#1958be

#2e74e4

#6297eb

#97b9f1

#cbdcf8

Tones

Color #12408a mixed toward gray.

#1c4280

#264576

#30476c

#3a4962

#444c58

Accessibility

Aa White text on this color

9.88:1

Aa Black text on this color

2.13:1

White text reads better on this background (9.88:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2d7d · ΔE 8.3

Deuteranopia

#2a267a · ΔE 10.1

Tritanopia

#17716f · ΔE 30.5

Achromatopsia

#434343 · ΔE 23.2

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

Code

CSS

background-color: #12408a;

Tailwind (arbitrary value)

bg-[#12408a]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#12408a (#12408a) is rgb(18, 64, 138) in RGB.

No, #12408a 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 #12408a, or check how it holds up for accessibility.

Generate a palette → Check contrast