#1f65da

Color #1f65da

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 4.39 Nearest Tailwind class blue-600 #155dfc · ΔE 5.2

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

Conversions

HEX

#1f65da

RGB

rgb(31, 101, 218)

HSL

hsl(217.5, 75.1%, 48.8%)

HSV / HSB

hsv(217.5, 85.8%, 85.5%)

CMYK

cmyk(85.8%, 53.7%, 0%, 14.5%)

LAB

lab(45.16, 22.8, -65.67)

LCH

lch(45.16, 69.52, 289.15)

OKLCH

oklch(53.5%, 0.1923, 260.39)

HWB

hwb(217.5, 12.2%, 14.5%)

Harmony colors

Complementary

#da941f

Analogous

#1fc3da

#1f65da

#361fda

Triadic

#1f65da

#da1f65

#65da1f

Split-complementary

#1f65da

#da361f

#c3da1f

Tetradic

#1f65da

#941fda

#da941f

#65da1f

Square

#1f65da

#da1fc3

#da941f

#1fda36

Shades

Color #1f65da mixed toward black.

#1a54b6

#154391

#0f336d

#0a2249

#051124

Tints

Color #1f65da mixed toward white.

#407ee4

#6798e9

#8db1ef

#b3cbf4

#d9e5fa

Tones

Color #1f65da mixed toward gray.

#2f69ca

#3e6dbb

#4e71ab

#5d759c

#6d798c

Accessibility

Aa White text on this color

5.34:1

Aa Black text on this color

3.93:1

White text reads better on this background (5.34:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4848c6 · ΔE 11.3

Deuteranopia

#443ec0 · ΔE 13.9

Tritanopia

#26b4af · ΔE 39.5

Achromatopsia

#6b6b6b · ΔE 27.1

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

Code

CSS

background-color: #1f65da;

Tailwind (arbitrary value)

bg-[#1f65da]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1f65da (#1f65da) is rgb(31, 101, 218) in RGB.

No, #1f65da 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 #1f65da, or check how it holds up for accessibility.

Generate a palette → Check contrast