#003dbd

Color #003dbd

A vivid, highly saturated dark blue.

Closest named color Slate Blue #6a5acd · ΔE 18.71 Nearest Tailwind class blue-800 #193cb8 · ΔE 1

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Conversions

HEX

#003dbd

RGB

rgb(0, 61, 189)

HSL

hsl(220.6, 100%, 37.1%)

HSV / HSB

hsv(220.6, 100%, 74.1%)

CMYK

cmyk(100%, 67.7%, 0%, 25.9%)

LAB

lab(31.83, 36.39, -70.71)

LCH

lch(31.83, 79.52, 297.23)

OKLCH

oklch(42.6%, 0.2069, 262.61)

HWB

hwb(220.6, 0%, 25.9%)

Harmony colors

Complementary

#bd8000

Analogous

#009cbd

#003dbd

#2100bd

Triadic

#003dbd

#bd003d

#3dbd00

Split-complementary

#003dbd

#bd2100

#9cbd00

Tetradic

#003dbd

#8000bd

#bd8000

#3dbd00

Square

#003dbd

#bd009c

#bd8000

#00bd21

Shades

Color #003dbd mixed toward black.

#00339e

#00297e

#001f5f

#00143f

#000a20

Tints

Color #003dbd mixed toward white.

#004ef3

#296eff

#5f92ff

#94b7ff

#cadbff

Tones

Color #003dbd mixed toward gray.

#1043ad

#20489e

#2f4e8e

#3f537e

#4f596e

Accessibility

Aa White text on this color

8.74:1

Aa Black text on this color

2.4:1

White text reads better on this background (8.74:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2727a9 · ΔE 6.8

Deuteranopia

#241fa4 · ΔE 8.6

Tritanopia

#089792 · ΔE 42.7

Achromatopsia

#4b4b4b · ΔE 28.5

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

Code

CSS

background-color: #003dbd;

Tailwind (arbitrary value)

bg-[#003dbd]

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

#003dbd (#003dbd) is rgb(0, 61, 189) in RGB.

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

Generate a palette → Check contrast