#3d81a4

Color #3d81a4

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 9.7 Nearest Tailwind class cyan-700 #007595 · ΔE 6.5

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

Conversions

HEX

#3d81a4

RGB

rgb(61, 129, 164)

HSL

hsl(200.4, 45.8%, 44.1%)

HSV / HSB

hsv(200.4, 62.8%, 64.3%)

CMYK

cmyk(62.8%, 21.3%, 0%, 35.7%)

LAB

lab(51.12, -10.53, -25.07)

LCH

lch(51.12, 27.19, 247.22)

OKLCH

oklch(57.4%, 0.0872, 233.58)

HWB

hwb(200.4, 23.9%, 35.7%)

Harmony colors

Complementary

#a4603d

Analogous

#3da493

#3d81a4

#3d4da4

Triadic

#3d81a4

#a43d81

#81a43d

Split-complementary

#3d81a4

#a43d4d

#a4933d

Tetradic

#3d81a4

#603da4

#a4603d

#81a43d

Square

#3d81a4

#933da4

#a4603d

#4da43d

Shades

Color #3d81a4 mixed toward black.

#336b89

#29566d

#1e4052

#142b37

#0a151b

Tints

Color #3d81a4 mixed toward white.

#529abf

#74aecb

#97c2d8

#bad6e5

#dcebf2

Tones

Color #3d81a4 mixed toward gray.

#467e9b

#4e7b93

#57798a

#5f7682

#687379

Accessibility

Aa White text on this color

4.31:1

Aa Black text on this color

4.87:1

Black text reads better on this background (4.87:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#62629c · ΔE 18.8

Deuteranopia

#5e589b · ΔE 20.7

Tritanopia

#439695 · ΔE 16.2

Achromatopsia

#7a7a7a · ΔE 17.7

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

Code

CSS

background-color: #3d81a4;

Tailwind (arbitrary value)

bg-[#3d81a4]

Related colors

Light Sky Blue #87cefa

Sky Blue #87ceeb

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#3d81a4 (#3d81a4) is rgb(61, 129, 164) in RGB.

No, #3d81a4 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 #3d81a4, or check how it holds up for accessibility.

Generate a palette → Check contrast