#278caa

Color #278caa

A moderately saturated medium cyan.

Closest named color Steel Blue #4682b4 · ΔE 16.23 Nearest Tailwind class cyan-600 #0092b8 · ΔE 2.9

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

Conversions

HEX

#278caa

RGB

rgb(39, 140, 170)

HSL

hsl(193.7, 62.7%, 41%)

HSV / HSB

hsv(193.7, 77.1%, 66.7%)

CMYK

cmyk(77.1%, 17.6%, 0%, 33.3%)

LAB

lab(54.12, -17.97, -23.95)

LCH

lch(54.12, 29.94, 233.12)

OKLCH

oklch(59.7%, 0.0992, 222.55)

HWB

hwb(193.7, 15.3%, 33.3%)

Harmony colors

Complementary

#aa4527

Analogous

#27aa86

#278caa

#274baa

Triadic

#278caa

#aa278c

#8caa27

Split-complementary

#278caa

#aa274b

#aa8627

Tetradic

#278caa

#4527aa

#aa4527

#8caa27

Square

#278caa

#8627aa

#aa4527

#4baa27

Shades

Color #278caa mixed toward black.

#20758e

#1a5d71

#134655

#0d2f39

#06171c

Tints

Color #278caa mixed toward white.

#33acd0

#5cbdda

#85cde3

#addeec

#d6eef6

Tones

Color #278caa mixed toward gray.

#32869f

#3d8094

#487a89

#53747e

#5e6e73

Accessibility

Aa White text on this color

3.88:1

Aa Black text on this color

5.42:1

Black text reads better on this background (5.42:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6364a3 · ΔE 23.8

Deuteranopia

#5e56a2 · ΔE 26.9

Tritanopia

#329e9d · ΔE 13.4

Achromatopsia

#818181 · ΔE 19.6

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

Code

CSS

background-color: #278caa;

Tailwind (arbitrary value)

bg-[#278caa]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#278caa (#278caa) is rgb(39, 140, 170) in RGB.

No, #278caa 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.

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 #278caa, or check how it holds up for accessibility.

Generate a palette → Check contrast