#0051a2

Color #0051a2

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.47 Nearest Tailwind class sky-800 #00598a · ΔE 5.9

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

Conversions

HEX

#0051a2

RGB

rgb(0, 81, 162)

HSL

hsl(210, 100%, 31.8%)

HSV / HSB

hsv(210, 100%, 63.5%)

CMYK

cmyk(100%, 50%, 0%, 36.5%)

LAB

lab(34.99, 11.95, -49.51)

LCH

lch(34.99, 50.93, 283.57)

OKLCH

oklch(44.3%, 0.1475, 255.31)

HWB

hwb(210, 0%, 36.5%)

Harmony colors

Complementary

#a25100

Analogous

#00a2a2

#0051a2

#0000a2

Triadic

#0051a2

#a20051

#51a200

Split-complementary

#0051a2

#a20000

#a2a200

Tetradic

#0051a2

#5100a2

#a25100

#51a200

Square

#0051a2

#a200a2

#a25100

#00a200

Shades

Color #0051a2 mixed toward black.

#004487

#00366c

#002951

#001b36

#000e1b

Tints

Color #0051a2 mixed toward white.

#006edc

#178bff

#51a8ff

#8bc5ff

#c5e2ff

Tones

Color #0051a2 mixed toward gray.

#0e5195

#1b5187

#29517a

#36516c

#44515f

Accessibility

Aa White text on this color

7.78:1

Aa Black text on this color

2.7:1

White text reads better on this background (7.78:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#353693 · ΔE 11.9

Deuteranopia

#312c90 · ΔE 14.3

Tritanopia

#0d8783 · ΔE 32.6

Achromatopsia

#525252 · ΔE 23.8

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

Code

CSS

background-color: #0051a2;

Tailwind (arbitrary value)

bg-[#0051a2]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#0051a2 (#0051a2) is rgb(0, 81, 162) in RGB.

No, #0051a2 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 #0051a2, or check how it holds up for accessibility.

Generate a palette → Check contrast