#12678f

Color #12678f

A vivid, highly saturated dark cyan.

Closest named color Steel Blue #4682b4 · ΔE 12.99 Nearest Tailwind class sky-700 #0069a8 · ΔE 5

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

Conversions

HEX

#12678f

RGB

rgb(18, 103, 143)

HSL

hsl(199.2, 77.6%, 31.6%)

HSV / HSB

hsv(199.2, 87.4%, 56.1%)

CMYK

cmyk(87.4%, 28%, 0%, 43.9%)

LAB

lab(40.91, -8.84, -28.65)

LCH

lch(40.91, 29.98, 252.85)

OKLCH

oklch(48.7%, 0.098, 235.73)

HWB

hwb(199.2, 7.1%, 43.9%)

Harmony colors

Complementary

#8f3a12

Analogous

#128f79

#12678f

#12298f

Triadic

#12678f

#8f1267

#678f12

Split-complementary

#12678f

#8f1229

#8f7912

Tetradic

#12678f

#3a128f

#8f3a12

#678f12

Square

#12678f

#79128f

#8f3a12

#298f12

Shades

Color #12678f mixed toward black.

#0f5677

#0c455f

#093448

#062230

#031118

Tints

Color #12678f mixed toward white.

#198cc3

#30abe5

#64c0eb

#98d5f2

#cbeaf8

Tones

Color #12678f mixed toward gray.

#1c6385

#27607a

#315c70

#3c5865

#46545b

Accessibility

Aa White text on this color

6.25:1

Aa Black text on this color

3.36:1

White text reads better on this background (6.25:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#474787 · ΔE 18.3

Deuteranopia

#423c85 · ΔE 20.5

Tritanopia

#1d807e · ΔE 19.1

Achromatopsia

#606060 · ΔE 18.4

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

Code

CSS

background-color: #12678f;

Tailwind (arbitrary value)

bg-[#12678f]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Deep Sky Blue #00bfff

Light Blue #add8e6

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#12678f (#12678f) is rgb(18, 103, 143) in RGB.

No, #12678f 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.

Try it → Accessibility

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.

Try it →

Build something with this color

Generate a full palette from #12678f, or check how it holds up for accessibility.

Generate a palette → Check contrast