#003bbd

Color #003bbd

A vivid, highly saturated dark blue.

Closest named color Slate Blue #6a5acd · ΔE 19.67 Nearest Tailwind class blue-800 #193cb8 · ΔE 0.9

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

Conversions

HEX

#003bbd

RGB

rgb(0, 59, 189)

HSL

hsl(221.3, 100%, 37.1%)

HSV / HSB

hsv(221.3, 100%, 74.1%)

CMYK

cmyk(100%, 68.8%, 0%, 25.9%)

LAB

lab(31.35, 37.68, -71.5)

LCH

lch(31.35, 80.82, 297.79)

OKLCH

oklch(42.3%, 0.2092, 262.81)

HWB

hwb(221.3, 0%, 25.9%)

Harmony colors

Complementary

#bd8200

Analogous

#009abd

#003bbd

#2400bd

Triadic

#003bbd

#bd003b

#3bbd00

Split-complementary

#003bbd

#bd2400

#9abd00

Tetradic

#003bbd

#8200bd

#bd8200

#3bbd00

Square

#003bbd

#bd009a

#bd8200

#00bd24

Shades

Color #003bbd mixed toward black.

#00319e

#00277e

#001d5f

#00143f

#000a20

Tints

Color #003bbd mixed toward white.

#004cf3

#296cff

#5f91ff

#94b5ff

#cadaff

Tones

Color #003bbd mixed toward gray.

#1041ad

#20479e

#2f4d8e

#3f537e

#4f596e

Accessibility

Aa White text on this color

8.9:1

Aa Black text on this color

2.36:1

White text reads better on this background (8.9:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2526a9 · ΔE 6.4

Deuteranopia

#231ea4 · ΔE 8.2

Tritanopia

#079792 · ΔE 43.1

Achromatopsia

#4a4a4a · ΔE 28.7

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

Code

CSS

background-color: #003bbd;

Tailwind (arbitrary value)

bg-[#003bbd]

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

#003bbd (#003bbd) is rgb(0, 59, 189) in RGB.

No, #003bbd 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 #003bbd, or check how it holds up for accessibility.

Generate a palette → Check contrast