#0b37f7

Color #0b37f7

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 14.38 Nearest Tailwind class indigo-600 #4f39f6 · ΔE 3.8

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

Conversions

HEX

#0b37f7

RGB

rgb(11, 55, 247)

HSL

hsl(228.8, 93.7%, 50.6%)

HSV / HSB

hsv(228.8, 95.5%, 96.9%)

CMYK

cmyk(95.5%, 77.7%, 0%, 3.1%)

LAB

lab(36.96, 60.37, -95.58)

LCH

lch(36.96, 113.05, 302.28)

OKLCH

oklch(48.2%, 0.2784, 264.64)

HWB

hwb(228.8, 4.3%, 3.1%)

Harmony colors

Complementary

#f7cb0b

Analogous

#0badf7

#0b37f7

#550bf7

Triadic

#0b37f7

#f70b37

#37f70b

Split-complementary

#0b37f7

#f7550b

#adf70b

Tetradic

#0b37f7

#cb0bf7

#f7cb0b

#37f70b

Square

#0b37f7

#f70bad

#f7cb0b

#0bf755

Shades

Color #0b37f7 mixed toward black.

#072cd0

#0524a7

#041b7d

#031253

#01092a

Tints

Color #0b37f7 mixed toward white.

#3458f8

#5c7afa

#859bfb

#aebcfc

#d6defe

Tones

Color #0b37f7 mixed toward gray.

#1f43e3

#3250d0

#465cbc

#5a68a8

#6d7595

Accessibility

Aa White text on this color

7.23:1

Aa Black text on this color

2.9:1

White text reads better on this background (7.23:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2525dc · ΔE 5.1

Deuteranopia

#231fd5 · ΔE 6.6

Tritanopia

#10c3bd · ΔE 52.3

Achromatopsia

#575757 · ΔE 31.9

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

Code

CSS

background-color: #0b37f7;

Tailwind (arbitrary value)

bg-[#0b37f7]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#0b37f7 (#0b37f7) is rgb(11, 55, 247) in RGB.

No, #0b37f7 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 #0b37f7, or check how it holds up for accessibility.

Generate a palette → Check contrast