#1515e4

Color #1515e4

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 7.13 Nearest Tailwind class indigo-700 #432dd7 · ΔE 4.2

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

Conversions

HEX

#1515e4

RGB

rgb(21, 21, 228)

HSL

hsl(240, 83.1%, 48.8%)

HSV / HSB

hsv(240, 90.8%, 89.4%)

CMYK

cmyk(90.8%, 90.8%, 0%, 10.6%)

LAB

lab(30.15, 68.73, -96.15)

LCH

lch(30.15, 118.19, 305.56)

OKLCH

oklch(42.8%, 0.2786, 266.13)

HWB

hwb(240, 8.2%, 10.6%)

Harmony colors

Complementary

#e4e415

Analogous

#157ce4

#1515e4

#7c15e4

Triadic

#1515e4

#e41515

#15e415

Split-complementary

#1515e4

#e47c15

#7ce415

Tetradic

#1515e4

#e415e4

#e4e415

#15e415

Square

#1515e4

#e4157c

#e4e415

#15e47c

Shades

Color #1515e4 mixed toward black.

#1212be

#0e0e98

#0b0b72

#07074c

#040426

Tints

Color #1515e4 mixed toward white.

#3838ed

#6060f0

#8787f4

#afaff8

#d7d7fb

Tones

Color #1515e4 mixed toward gray.

#2626d3

#3838c1

#4949b0

#5a5a9f

#6b6b8e

Accessibility

Aa White text on this color

9.29:1

Aa Black text on this color

2.26:1

White text reads better on this background (9.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1515ca · ΔE 3.3

Deuteranopia

#1515c3 · ΔE 4.2

Tritanopia

#15b2ac · ΔE 53.6

Achromatopsia

#474747 · ΔE 32.3

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

Code

CSS

background-color: #1515e4;

Tailwind (arbitrary value)

bg-[#1515e4]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1515e4 (#1515e4) is rgb(21, 21, 228) in RGB.

No, #1515e4 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 #1515e4, or check how it holds up for accessibility.

Generate a palette → Check contrast