#066bb7

Color #066bb7

A vivid, highly saturated dark blue.

Closest named color Cornflower Blue #6495ed · ΔE 18.7 Nearest Tailwind class sky-700 #0069a8 · ΔE 2.4

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Conversions

HEX

#066bb7

RGB

rgb(6, 107, 183)

HSL

hsl(205.8, 93.7%, 37.1%)

HSV / HSB

hsv(205.8, 96.7%, 71.8%)

CMYK

cmyk(96.7%, 41.5%, 0%, 28.2%)

LAB

lab(44.19, 3.83, -47.11)

LCH

lch(44.19, 47.27, 274.65)

OKLCH

oklch(51.9%, 0.1439, 249.84)

HWB

hwb(205.8, 2.4%, 28.2%)

Harmony colors

Complementary

#b75206

Analogous

#06b7ab

#066bb7

#0612b7

Triadic

#066bb7

#b7066b

#6bb706

Split-complementary

#066bb7

#b70612

#b7ab06

Tetradic

#066bb7

#5206b7

#b75206

#6bb706

Square

#066bb7

#ab06b7

#b75206

#12b706

Shades

Color #066bb7 mixed toward black.

#055999

#04477a

#03365c

#02243d

#01121f

Tints

Color #066bb7 mixed toward white.

#0889eb

#30a2f8

#64b9fa

#97d1fc

#cbe8fd

Tones

Color #066bb7 mixed toward gray.

#1569a8

#24679a

#32658b

#41637c

#50616d

Accessibility

Aa White text on this color

5.53:1

Aa Black text on this color

3.79:1

White text reads better on this background (5.53:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4849a9 · ΔE 16.1

Deuteranopia

#433ca5 · ΔE 19.4

Tritanopia

#189c99 · ΔE 30.2

Achromatopsia

#686868 · ΔE 22.9

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

Code

CSS

background-color: #066bb7;

Tailwind (arbitrary value)

bg-[#066bb7]

Related colors

Steel Blue #4682b4

Charcoal #36454f

Alice Blue #f0f8ff

Light Sky Blue #87cefa

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#066bb7 (#066bb7) is rgb(6, 107, 183) in RGB.

No, #066bb7 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.

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Build something with this color

Generate a full palette from #066bb7, or check how it holds up for accessibility.

Generate a palette → Check contrast