#0644a8

Color #0644a8

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.41 Nearest Tailwind class blue-800 #193cb8 · ΔE 4.4

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

Conversions

HEX

#0644a8

RGB

rgb(6, 68, 168)

HSL

hsl(217, 93.1%, 34.1%)

HSV / HSB

hsv(217, 96.4%, 65.9%)

CMYK

cmyk(96.4%, 59.5%, 0%, 34.1%)

LAB

lab(31.8, 23.58, -58.27)

LCH

lch(31.8, 62.86, 292.03)

OKLCH

oklch(42%, 0.171, 260.71)

HWB

hwb(217, 2.4%, 34.1%)

Harmony colors

Complementary

#a86a06

Analogous

#0695a8

#0644a8

#1906a8

Triadic

#0644a8

#a80644

#44a806

Split-complementary

#0644a8

#a81906

#95a806

Tetradic

#0644a8

#6a06a8

#a86a06

#44a806

Square

#0644a8

#a80695

#a86a06

#06a819

Shades

Color #0644a8 mixed toward black.

#05398c

#042d70

#032254

#021738

#010b1c

Tints

Color #0644a8 mixed toward white.

#085ade

#2777f7

#5d99f9

#93bbfb

#c9ddfd

Tones

Color #0644a8 mixed toward gray.

#13479a

#214a8d

#2e4e7f

#3c5172

#495464

Accessibility

Aa White text on this color

8.75:1

Aa Black text on this color

2.4:1

White text reads better on this background (8.75:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2d97 · ΔE 8.6

Deuteranopia

#2a2593 · ΔE 10.5

Tritanopia

#0f8885 · ΔE 36.6

Achromatopsia

#4b4b4b · ΔE 26.1

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

Code

CSS

background-color: #0644a8;

Tailwind (arbitrary value)

bg-[#0644a8]

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

#0644a8 (#0644a8) is rgb(6, 68, 168) in RGB.

No, #0644a8 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 #0644a8, or check how it holds up for accessibility.

Generate a palette → Check contrast