#063580

Color #063580

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 11.75 Nearest Tailwind class blue-900 #1c398e · ΔE 2.8

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

Conversions

HEX

#063580

RGB

rgb(6, 53, 128)

HSL

hsl(216.9, 91%, 26.3%)

HSV / HSB

hsv(216.9, 95.3%, 50.2%)

CMYK

cmyk(95.3%, 58.6%, 0%, 49.8%)

LAB

lab(24.14, 17.33, -46.24)

LCH

lch(24.14, 49.38, 290.55)

OKLCH

oklch(35.2%, 0.1358, 260.25)

HWB

hwb(216.9, 2.4%, 49.8%)

Harmony colors

Complementary

#805106

Analogous

#067280

#063580

#140680

Triadic

#063580

#800635

#358006

Split-complementary

#063580

#801406

#728006

Tetradic

#063580

#510680

#805106

#358006

Square

#063580

#800672

#805106

#068014

Shades

Color #063580 mixed toward black.

#052c6b

#042355

#031b40

#02122b

#010915

Tints

Color #063580 mixed toward white.

#094ebc

#1067f4

#4c8df7

#87b3f9

#c3d9fc

Tones

Color #063580 mixed toward gray.

#103776

#1a3a6c

#253c62

#2f3e57

#39414d

Accessibility

Aa White text on this color

11.48:1

Aa Black text on this color

1.83:1

White text reads better on this background (11.48:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#232373 · ΔE 7.5

Deuteranopia

#201d70 · ΔE 8.9

Tritanopia

#0c6865 · ΔE 31.4

Achromatopsia

#393939 · ΔE 23.6

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

Code

CSS

background-color: #063580;

Tailwind (arbitrary value)

bg-[#063580]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#063580 (#063580) is rgb(6, 53, 128) in RGB.

No, #063580 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 #063580, or check how it holds up for accessibility.

Generate a palette → Check contrast