#0a51c2

Color #0a51c2

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 10.35 Nearest Tailwind class blue-700 #1447e6 · ΔE 6.3

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

Conversions

HEX

#0a51c2

RGB

rgb(10, 81, 194)

HSL

hsl(216.8, 90.2%, 40%)

HSV / HSB

hsv(216.8, 94.8%, 76.1%)

CMYK

cmyk(94.8%, 58.2%, 0%, 23.9%)

LAB

lab(37.56, 25.44, -64.24)

LCH

lch(37.56, 69.09, 291.6)

OKLCH

oklch(47.1%, 0.1885, 260.57)

HWB

hwb(216.8, 3.9%, 23.9%)

Harmony colors

Complementary

#c27b0a

Analogous

#0aadc2

#0a51c2

#1f0ac2

Triadic

#0a51c2

#c20a51

#51c20a

Split-complementary

#0a51c2

#c21f0a

#adc20a

Tetradic

#0a51c2

#7b0ac2

#c27b0a

#51c20a

Square

#0a51c2

#c20aad

#c27b0a

#0ac21f

Shades

Color #0a51c2 mixed toward black.

#0844a2

#073681

#052961

#031b41

#020e20

Tints

Color #0a51c2 mixed toward white.

#0c65f3

#3d84f5

#6da3f8

#9ec2fa

#cee0fd

Tones

Color #0a51c2 mixed toward gray.

#1955b3

#2958a3

#385c94

#475f85

#576375

Accessibility

Aa White text on this color

7.07:1

Aa Black text on this color

2.97:1

White text reads better on this background (7.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3637af · ΔE 9.5

Deuteranopia

#332eaa · ΔE 11.8

Tritanopia

#149e9a · ΔE 39.9

Achromatopsia

#585858 · ΔE 27.1

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

Code

CSS

background-color: #0a51c2;

Tailwind (arbitrary value)

bg-[#0a51c2]

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

#0a51c2 (#0a51c2) is rgb(10, 81, 194) in RGB.

No, #0a51c2 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 #0a51c2, or check how it holds up for accessibility.

Generate a palette → Check contrast