#0045b5

Color #0045b5

A vivid, highly saturated dark blue.

Closest named color Royal Blue #4169e1 · ΔE 14.87 Nearest Tailwind class blue-800 #193cb8 · ΔE 3.5

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

Conversions

HEX

#0045b5

RGB

rgb(0, 69, 181)

HSL

hsl(217.1, 100%, 35.5%)

HSV / HSB

hsv(217.1, 100%, 71%)

CMYK

cmyk(100%, 61.9%, 0%, 29%)

LAB

lab(33.12, 27.94, -63.87)

LCH

lch(33.12, 69.71, 293.63)

OKLCH

oklch(43.3%, 0.1875, 261.01)

HWB

hwb(217.1, 0%, 29%)

Harmony colors

Complementary

#b57000

Analogous

#00a0b5

#0045b5

#1500b5

Triadic

#0045b5

#b50045

#45b500

Split-complementary

#0045b5

#b51500

#a0b500

Tetradic

#0045b5

#7000b5

#b57000

#45b500

Square

#0045b5

#b500a0

#b57000

#00b515

Shades

Color #0045b5 mixed toward black.

#003a97

#002e79

#00235b

#00173c

#000c1e

Tints

Color #0045b5 mixed toward white.

#005aec

#2477ff

#5b99ff

#91bbff

#c8ddff

Tones

Color #0045b5 mixed toward gray.

#0f49a6

#1e4c97

#2d5088

#3c5379

#4b576a

Accessibility

Aa White text on this color

8.34:1

Aa Black text on this color

2.52:1

White text reads better on this background (8.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2da3 · ΔE 8.4

Deuteranopia

#29249e · ΔE 10.4

Tritanopia

#0a928e · ΔE 39.4

Achromatopsia

#4e4e4e · ΔE 27.2

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

Code

CSS

background-color: #0045b5;

Tailwind (arbitrary value)

bg-[#0045b5]

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

#0045b5 (#0045b5) is rgb(0, 69, 181) in RGB.

No, #0045b5 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 #0045b5, or check how it holds up for accessibility.

Generate a palette → Check contrast