#577dc6

Color #577dc6

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 11.76 Nearest Tailwind class blue-500 #2b7fff · ΔE 6.2

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Conversions

HEX

#577dc6

RGB

rgb(87, 125, 198)

HSL

hsl(219.5, 49.3%, 55.9%)

HSV / HSB

hsv(219.5, 56.1%, 77.6%)

CMYK

cmyk(56.1%, 36.9%, 0%, 22.4%)

LAB

lab(52.7, 8.33, -42.08)

LCH

lch(52.7, 42.9, 281.2)

OKLCH

oklch(59.5%, 0.1201, 262.44)

HWB

hwb(219.5, 34.1%, 22.4%)

Harmony colors

Complementary

#c6a057

Analogous

#57b4c6

#577dc6

#6957c6

Triadic

#577dc6

#c6577d

#7dc657

Split-complementary

#577dc6

#c66957

#b4c657

Tetradic

#577dc6

#a057c6

#c6a057

#7dc657

Square

#577dc6

#c657b4

#c6a057

#57c669

Shades

Color #577dc6 mixed toward black.

#3c64b1

#30508e

#243c6a

#182847

#0c1423

Tints

Color #577dc6 mixed toward white.

#7393cf

#8fa8d9

#abbee2

#c7d4ec

#e3e9f5

Tones

Color #577dc6 mixed toward gray.

#6080bd

#6a83b4

#7386aa

#7c89a1

#858c98

Accessibility

Aa White text on this color

4.07:1

Aa Black text on this color

5.15:1

Black text reads better on this background (5.15:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6a6ab8 · ΔE 9.7

Deuteranopia

#6764b4 · ΔE 11.4

Tritanopia

#59aba8 · ΔE 28.4

Achromatopsia

#7e7e7e · ΔE 21.9

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

Code

CSS

background-color: #577dc6;

Tailwind (arbitrary value)

bg-[#577dc6]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#577dc6 (#577dc6) is rgb(87, 125, 198) in RGB.

No, #577dc6 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 #577dc6, or check how it holds up for accessibility.

Generate a palette → Check contrast