#557ad4

Color #557ad4

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 10.74 Nearest Tailwind class blue-500 #2b7fff · ΔE 5.6

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Conversions

HEX

#557ad4

RGB

rgb(85, 122, 212)

HSL

hsl(222.5, 59.6%, 58.2%)

HSV / HSB

hsv(222.5, 59.9%, 83.1%)

CMYK

cmyk(59.9%, 42.5%, 0%, 16.9%)

LAB

lab(52.51, 14.39, -50.33)

LCH

lch(52.51, 52.35, 285.96)

OKLCH

oklch(59.6%, 0.1438, 265.45)

HWB

hwb(222.5, 33.3%, 16.9%)

Harmony colors

Complementary

#d4af55

Analogous

#55b9d4

#557ad4

#6f55d4

Triadic

#557ad4

#d4557a

#7ad455

Split-complementary

#557ad4

#d46f55

#b9d455

Tetradic

#557ad4

#af55d4

#d4af55

#7ad455

Square

#557ad4

#d455b9

#d4af55

#55d46f

Shades

Color #557ad4 mixed toward black.

#325dc5

#284a9e

#1e3876

#14254f

#0a1327

Tints

Color #557ad4 mixed toward white.

#7190db

#8ea6e2

#aabce9

#c6d3f1

#e3e9f8

Tones

Color #557ad4 mixed toward gray.

#5f7ec9

#6a83bf

#7587b4

#7f8caa

#8a909f

Accessibility

Aa White text on this color

4.1:1

Aa Black text on this color

5.12:1

Black text reads better on this background (5.12:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6767c3 · ΔE 9

Deuteranopia

#6562bf · ΔE 10.5

Tritanopia

#57b4b1 · ΔE 32

Achromatopsia

#7d7d7d · ΔE 24.1

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

Code

CSS

background-color: #557ad4;

Tailwind (arbitrary value)

bg-[#557ad4]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#557ad4 (#557ad4) is rgb(85, 122, 212) in RGB.

No, #557ad4 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 #557ad4, or check how it holds up for accessibility.

Generate a palette → Check contrast